CWE-120— Buffer Copy without Checking Size (Classic Buffer Overflow)

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.— MITRE CWE catalog

4,447 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →

CVEs classified under CWE-120page 73 of 89

CVE-2025-4159HIGHCVSS 7.3EG 7.3
2025-05-01
A vulnerability was found in PCMan FTP Server up to 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component GLOB Command Handler. The manipulation leads to buffer overflow. The a…
CVE-2025-4160HIGHCVSS 7.3EG 7.3
2025-05-01
A vulnerability was found in PCMan FTP Server up to 2.0.7. It has been rated as critical. Affected by this issue is some unknown functionality of the component LS Command Handler. The manipulation leads to buffer overflow. The attack may b…
CVE-2025-4161HIGHCVSS 7.3EG 7.3
2025-05-01
A vulnerability classified as critical has been found in PCMan FTP Server up to 2.0.7. This affects an unknown part of the component VERBOSE Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack …
CVE-2025-4162HIGHCVSS 7.3EG 7.3
2025-05-01
A vulnerability classified as critical was found in PCMan FTP Server up to 2.0.7. This vulnerability affects unknown code of the component ASCII Command Handler. The manipulation leads to buffer overflow. The attack can be initiated remote…
CVE-2025-41706MEDIUMCVSS 5.3EG 5.3
2025-10-14
The webserver is vulnerable to a denial of service condition. An unauthenticated remote attacker can craft a special GET request with an over-long content-length to trigger the issue without affecting the core functionality.
CVE-2025-41707MEDIUMCVSS 5.3EG 5.3
2025-10-14
The websocket handler is vulnerable to a denial of service condition. An unauthenticated remote attacker can send a crafted websocket message to trigger the issue without affecting the core functionality.
CVE-2025-4180HIGHCVSS 7.3EG 7.3
2025-05-01
A vulnerability was found in PCMan FTP Server 2.0.7. It has been classified as critical. Affected is an unknown function of the component TRACE Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attack…
CVE-2025-4181HIGHCVSS 7.3EG 7.3
2025-05-01
A vulnerability was found in PCMan FTP Server 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component SEND Command Handler. The manipulation leads to buffer overflow. The attack …
CVE-2025-4182HIGHCVSS 7.3EG 7.3
2025-05-01
A vulnerability was found in PCMan FTP Server 2.0.7. It has been rated as critical. Affected by this issue is some unknown functionality of the component BELL Command Handler. The manipulation leads to buffer overflow. The attack may be la…
CVE-2025-4183HIGHCVSS 7.3EG 7.3
2025-05-01
A vulnerability classified as critical has been found in PCMan FTP Server 2.0.7. This affects an unknown part of the component RECV Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely.…
CVE-2025-4184HIGHCVSS 7.3EG 7.3
2025-05-02
A vulnerability classified as critical was found in PCMan FTP Server 2.0.7. This vulnerability affects unknown code of the component QUOTE Command Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. Th…
CVE-2025-4236HIGHCVSS 7.3EG 7.3
2025-05-03
A vulnerability has been found in PCMan FTP Server 2.0.7 and classified as critical. Affected by this vulnerability is an unknown functionality of the component MDIR Command Handler. The manipulation leads to buffer overflow. The attack ca…
CVE-2025-4237HIGHCVSS 7.3EG 7.3
2025-05-03
A vulnerability was found in PCMan FTP Server 2.0.7 and classified as critical. Affected by this issue is some unknown functionality of the component MDELETE Command Handler. The manipulation leads to buffer overflow. The attack may be lau…
CVE-2025-4238HIGHCVSS 7.3EG 7.3
2025-05-03
A vulnerability was found in PCMan FTP Server 2.0.7. It has been classified as critical. This affects an unknown part of the component MGET Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack r…
CVE-2025-4239HIGHCVSS 7.3EG 7.3
2025-05-03
A vulnerability was found in PCMan FTP Server 2.0.7. It has been declared as critical. This vulnerability affects unknown code of the component TYPE Command Handler. The manipulation leads to buffer overflow. The attack can be initiated re…
CVE-2025-4240HIGHCVSS 7.3EG 7.3
2025-05-03
A vulnerability was found in PCMan FTP Server 2.0.7. It has been rated as critical. This issue affects some unknown processing of the component LCD Command Handler. The manipulation leads to buffer overflow. The attack may be initiated rem…
CVE-2025-4251HIGHCVSS 7.3EG 7.3
2025-05-04
A vulnerability was found in PCMan FTP Server 2.0.7 and classified as critical. This issue affects some unknown processing of the component RMDIR Command Handler. The manipulation leads to buffer overflow. The attack may be initiated remot…
CVE-2025-4252HIGHCVSS 7.3EG 7.3
2025-05-04
A vulnerability was found in PCMan FTP Server 2.0.7. It has been classified as critical. Affected is an unknown function of the component APPEND Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attac…
CVE-2025-4253HIGHCVSS 7.3EG 7.3
2025-05-04
A vulnerability was found in PCMan FTP Server 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component HASH Command Handler. The manipulation leads to buffer overflow. The attack …
CVE-2025-4254HIGHCVSS 7.3EG 7.3
2025-05-05
A vulnerability was found in PCMan FTP Server 2.0.7. It has been rated as critical. Affected by this issue is some unknown functionality of the component LIST Command Handler. The manipulation leads to buffer overflow. The attack may be la…
CVE-2025-4255HIGHCVSS 7.3EG 7.3
2025-05-05
A vulnerability classified as critical has been found in PCMan FTP Server 2.0.7. This affects an unknown part of the component RMD Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. …
CVE-2025-4288HIGHCVSS 7.3EG 7.3
2025-05-05
A vulnerability classified as critical has been found in PCMan FTP Server 2.0.7. This affects an unknown part of the component RNFR Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely.…
CVE-2025-4289HIGHCVSS 7.3EG 7.3
2025-05-05
A vulnerability classified as critical was found in PCMan FTP Server 2.0.7. This vulnerability affects unknown code of the component RNTO Command Handler. The manipulation leads to buffer overflow. The attack can be initiated remotely. The…
CVE-2025-4290HIGHCVSS 7.3EG 7.3
2025-05-05
A vulnerability, which was classified as critical, has been found in PCMan FTP Server 2.0.7. This issue affects some unknown processing of the component SMNT Command Handler. The manipulation leads to buffer overflow. The attack may be ini…
CVE-2025-4298HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability was found in Tenda AC1206 up to 15.03.06.23. It has been declared as critical. This vulnerability affects the function formSetCfm of the file /goform/setcfm. The manipulation leads to buffer overflow. The attack can be init…
CVE-2025-4299HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability was found in Tenda AC1206 up to 15.03.06.23. It has been rated as critical. This issue affects the function setSchedWifi of the file /goform/openSchedWifi. The manipulation leads to buffer overflow. The attack may be initia…
CVE-2025-43213MEDIUMCVSS 6.5EG 6.5
2025-07-30
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexp…
CVE-2025-43214MEDIUMCVSS 6.5EG 6.5
2025-07-30
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexp…
CVE-2025-43312MEDIUMCVSS 5.5EG 5.5
2025-09-15
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. An app may be able to cause unexpected system termination.
CVE-2025-43370MEDIUMCVSS 4.0EG 4.0
2025-09-15
A path handling issue was addressed with improved validation. This issue is fixed in Xcode 26. Processing an overly large path value may crash a process.
CVE-2025-4342HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability, which was classified as critical, has been found in D-Link DIR-600L up to 2.07B01. Affected by this issue is the function formEasySetupWizard3. The manipulation of the argument host leads to buffer overflow. The attack may…
CVE-2025-4343HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability has been found in D-Link DIR-600L up to 2.07B01 and classified as critical. This vulnerability affects the function formEasySetupWizard. The manipulation of the argument host leads to buffer overflow. The attack can be init…
CVE-2025-43433HIGHCVSS 8.8EG 8.8
2025-11-04
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web…
CVE-2025-4344HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability, which was classified as critical, was found in D-Link DIR-600L up to 2.07B01. This affects the function formLogin. The manipulation of the argument host leads to buffer overflow. It is possible to initiate the attack remot…
CVE-2025-43441MEDIUMCVSS 4.3EG 4.3
2025-11-04
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing maliciously crafted web content may l…
CVE-2025-4345HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability was found in D-Link DIR-600L up to 2.07B01 and classified as critical. This issue affects the function formSetLog. The manipulation of the argument host leads to buffer overflow. The attack may be initiated remotely. This v…
CVE-2025-4346HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been classified as critical. Affected is the function formSetWAN_Wizard534. The manipulation of the argument host leads to buffer overflow. It is possible to launch the att…
CVE-2025-4347HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been declared as critical. Affected by this vulnerability is the function formWlSiteSurvey. The manipulation of the argument host leads to buffer overflow. The attack can b…
CVE-2025-4348HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been rated as critical. Affected by this issue is the function formSetWanL2TP. The manipulation of the argument host leads to buffer overflow. The attack may be launched re…
CVE-2025-43501MEDIUMCVSS 4.3EG 4.3
2025-12-17
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. Processing maliciously crafted web content ma…
CVE-2025-43520CRITICALCVSS 5.5EG 9.0⚠ KEV
2025-12-12
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, wa…
CVE-2025-43532LOWCVSS 2.8EG 2.8
2025-12-12
A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, wa…
CVE-2025-4368HIGHCVSS 8.8EG 8.8
2025-05-06
A vulnerability, which was classified as critical, was found in Tenda AC8 16.03.34.06. Affected is the function formGetRouterStatus of the file /goform/MtuSetMacWan. The manipulation of the argument shareSpeed leads to buffer overflow. It …
CVE-2025-44175MEDIUMCVSS 5.4EG 5.4
2025-05-12
Tenda AC10 v4 V16.03.10.13 is vulnerable to Buffer Overflow in the GetParentControlInfo function.
CVE-2025-4440HIGHCVSS 8.0EG 8.0
2025-05-08
A vulnerability was found in H3C GR-1800AX up to 100R008 and classified as critical. Affected by this issue is the function EnableIpv6 of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. Access to …
CVE-2025-4441HIGHCVSS 8.8EG 8.8
2025-05-08
A vulnerability was found in D-Link DIR-605L 2.13B01. It has been classified as critical. This affects the function formSetWAN_Wizard534. The manipulation of the argument curTime leads to buffer overflow. It is possible to initiate the att…
CVE-2025-4442HIGHCVSS 8.8EG 8.8
2025-05-09
A vulnerability was found in D-Link DIR-605L 2.13B01. It has been declared as critical. This vulnerability affects the function formSetWAN_Wizard55. The manipulation of the argument curTime leads to buffer overflow. The attack can be initi…
CVE-2025-4446HIGHCVSS 8.0EG 8.0
2025-05-09
A vulnerability has been found in H3C GR-5400AX up to 100R008 and classified as critical. This vulnerability affects the function Edit_List_SSID of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. …
CVE-2025-4448HIGHCVSS 8.8EG 8.8
2025-05-09
A vulnerability classified as critical was found in D-Link DIR-619L 2.04B04. This vulnerability affects the function formEasySetupWizard. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remote…
CVE-2025-4449HIGHCVSS 8.8EG 8.8
2025-05-09
A vulnerability, which was classified as critical, has been found in D-Link DIR-619L 2.04B04. This issue affects the function formEasySetupWizard3. The manipulation of the argument wan_connected leads to buffer overflow. The attack may be …

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