CWE-134— Use of Externally-Controlled Format String
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.— MITRE CWE catalog
426 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-134page 2 of 9
- CVE-2022-34747CRITICALCVSS 9.8EG 9.82022-09-06
A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet.
- CVE-2022-26674CRITICALCVSS 9.8EG 9.82022-04-22
ASUS RT-AX88U has a Format String vulnerability, which allows an unauthenticated remote attacker to write to arbitrary memory address and perform remote arbitrary code execution, arbitrary system operation or disrupt service.
- CVE-2022-27177CRITICALCVSS 9.8EG 9.82022-04-01
A Python format string issue leading to information disclosure and potentially remote code execution in ConsoleMe for all versions prior to 1.2.2
- CVE-2021-42911CRITICALCVSS 9.8EG 9.82022-03-29
A Format String vulnerability exists in DrayTek Vigor 2960 <= 1.5.1.3, DrayTek Vigor 3900 <= 1.5.1.3, and DrayTek Vigor 300B <= 1.5.1.3 in the mainfunction.cgi file via a crafted HTTP message containing malformed QUERY STRING, which could …
- CVE-2021-41193CRITICALCVSS 9.8EG 9.82022-03-01
wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. …
- CVE-2021-36161CRITICALCVSS 9.8EG 9.82021-09-09
Some component in Dubbo will try to print the formated string of the input arguments, which will possibly cause RCE for a maliciously customized bean with special toString method. In the latest version, we fix the toString call in timeout,…
- CVE-2021-20307CRITICALCVSS 9.8EG 9.82021-04-05
Format string vulnerability in panoFileOutputNamesCreate() in libpano13 2.9.20~rc2+dfsg-3 and earlier can lead to read and write arbitrary memory values.
- CVE-2020-35869CRITICALCVSS 9.8EG 9.82020-12-31
An issue was discovered in the rusqlite crate before 0.23.0 for Rust. Memory safety can be violated because rusqlite::trace::log mishandles format strings.
- CVE-2020-27853CRITICALCVSS 9.8EG 9.82020-10-27
Wire before 2020-10-16 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a format string. This affects Wire AVS (Audio, Video, and Signaling) 5.3 through 6.x before 6.4, the Wir…
- CVE-2020-13160CRITICALCVSS 9.8EG 9.82020-06-09
AnyDesk before 5.5.3 on Linux and FreeBSD has a format string vulnerability that can be exploited for remote code execution.
- CVE-2018-10389CRITICALCVSS 9.8EG 9.82019-12-23
Format string vulnerability in the logMess function in TFTP Server MT 1.65 and earlier allows remote attackers to perform a denial of service or execute arbitrary code via format string sequences in a TFTP error packet.
- CVE-2018-10388CRITICALCVSS 9.8EG 9.82019-12-23
Format string vulnerability in the logMess function in TFTP Server SP 1.66 and earlier allows remote attackers to perform a denial of service or execute arbitrary code via format string sequences in a TFTP error packet.
- CVE-2012-0824CRITICALCVSS 9.8EG 9.82019-11-19
gnusound 0.7.5 has format string issue
- CVE-2010-3438CRITICALCVSS 9.8EG 9.82019-11-12
libpoe-component-irc-perl before v6.32 does not remove carriage returns and line feeds. This can be used to execute arbitrary IRC commands by passing an argument such as "some text\rQUIT" to the 'privmsg' handler, which would cause the cli…
- CVE-2019-6840CRITICALCVSS 9.8EG 9.82019-09-17
A Format String: CWE-134 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 - U.motion KNX Server Plus, Touch 10, MEG6260-0415 - U.motion KNX Server Plus, Touc…
- CVE-2019-12297CRITICALCVSS 9.8EG 9.82019-05-23
An issue was discovered in scopd on Motorola routers CX2 1.01 and M2 1.01. There is a Use of an Externally Controlled Format String, reachable via TCP port 8010 or UDP port 8080.
- CVE-2018-1352CRITICALCVSS 9.8EG 9.82019-02-08
A format string vulnerability in Fortinet FortiOS 5.6.0 allows attacker to execute unauthorized code or commands via the SSH username variable.
- CVE-2017-17407CRITICALCVSS 9.8EG 9.82018-01-23
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of NetGain Systems Enterprise Manager v7.2.699 build 1001. Authentication is not required to exploit this vulnerability. The specific flaw exi…
- CVE-2017-16608CRITICALCVSS 9.8EG 9.82018-01-23
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Netgain Enterprise Manager. Authentication is not required to exploit this vulnerability. The specific flaw exists within exec.jsp. The iss…
- CVE-2017-12588CRITICALCVSS 9.8EG 9.82017-08-06
The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.
- CVE-2017-10685CRITICALCVSS 9.8EG 9.82017-06-29
In ncurses 6.0, there is a format string vulnerability in the fmt_entry function. A crafted input will lead to a remote arbitrary code execution attack.
- CVE-2016-5074CRITICALCVSS 9.8EG 9.82017-04-10
CloudView NMS before 2.10a has a format string issue exploitable over SNMP.
- CVE-2015-7271CRITICALCVSS 9.8EG 9.82017-04-10
Dell Integrated Remote Access Controller (iDRAC) 7/8 before 2.21.21.21 has a format string issue in racadm getsystinfo.
- CVE-2016-4448CRITICALCVSS 9.8EG 9.82016-06-09
Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in unknown vectors.
- CVE-2015-8617CRITICALCVSS 9.8EG 9.82016-01-19
Format string vulnerability in the zend_throw_or_error function in Zend/zend_execute_API.c in PHP 7.x before 7.0.1 allows remote attackers to execute arbitrary code via format string specifiers in a string that is misused as a class name, …
- CVE-2024-12805CRITICALCVSS 7.2EG 9.82025-01-09
A post-authentication format string vulnerability in SonicOS management allows a remote attacker to crash a firewall and potentially leads to code execution.
- CVE-2023-39240CRITICALCVSS 7.2EG 9.82023-09-07
It is identified a format string vulnerability in ASUS RT-AX56U V2’s iperf client function API. This vulnerability is caused by lacking validation for a specific value within its set_iperf3_cli.cgi module. A remote attacker with adminis…
- CVE-2023-39239CRITICALCVSS 7.2EG 9.82023-09-07
It is identified a format string vulnerability in ASUS RT-AX56U V2’s General function API. This vulnerability is caused by lacking validation for a specific value within its apply.cgi module. A remote attacker with administrator privil…
- CVE-2023-39238CRITICALCVSS 7.2EG 9.82023-09-07
It is identified a format string vulnerability in ASUS RT-AX56U V2. This vulnerability is caused by lacking validation for a specific value within its set_iperf3_svr.cgi module. A remote attacker with administrator privilege can exploit …
- CVE-2023-35086CRITICALCVSS 7.2EG 9.82023-07-21
It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U. This vulnerability is caused by directly using input as a format string when calling syslog in logmessage_normal function, in the do_detwan_cgi module of httpd…
- CVE-2022-4639CRITICALCVSS 5.6EG 9.82022-12-21
A vulnerability, which was classified as critical, has been found in sslh. This issue affects the function hexdump of the file probe.c of the component Packet Dumping Handler. The manipulation of the argument msg_info leads to format strin…
- CVE-2020-36619CRITICALCVSS 5.5EG 9.82022-12-19
A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to add…
- CVE-2015-10088CRITICALCVSS 5.0EG 9.82023-03-05
A vulnerability, which was classified as critical, was found in ayttm up to 0.5.0.89. This affects the function http_connect in the library libproxy/proxy.c. The manipulation leads to format string. It is possible to initiate the attack re…
- CVE-2022-26941CRITICALCVSS 9.6EG 9.62023-10-19
A format string vulnerability exists in Motorola MTM5000 series firmware AT command handler for the AT+CTGL command. An attacker-controllable string is improperly handled, allowing for a write-anything-anywhere scenario. This can be levera…
- CVE-2018-5704CRITICALCVSS 9.6EG 9.62018-01-16
Open On-Chip Debugger (OpenOCD) 0.10.0 does not block attempts to use HTTP POST for sending data to 127.0.0.1 port 4444, which allows remote attackers to conduct cross-protocol scripting attacks, and consequently execute arbitrary commands…
- CVE-2026-14157CRITICALCVSS 9.4EG 9.42026-10-01
Use of an Externally Controlled Format String in the ASUS Router modules allow a remote authenticated user to execute arbitrary commands via a crafted file uploaded through the web management interface.
- CVE-2012-10055CRITICALCVSS 9.3EG 9.32025-08-13
ComSndFTP FTP Server version 1.3.7 Beta contains a format string vulnerability in its handling of the USER command. By sending a specially crafted username containing format specifiers, a remote attacker can overwrite a hardcoded function …
- CVE-2024-9129CRITICALCVSS 9.3EG 9.32024-10-22
In versions of Zend Server 8.5 and prior to version 9.2 a format string injection was discovered. Reported by Dylan Marino
- CVE-2012-3569HIGHCVSS v2 9.3EG 9.32012-11-14
Format string vulnerability in VMware OVF Tool 2.1 on Windows, as used in VMware Workstation 8.x before 8.0.5, VMware Player 4.x before 4.0.5, and other products, allows user-assisted remote attackers to execute arbitrary code via a crafte…
- CVE-2012-2288HIGHCVSS v2 9.3EG 9.32012-09-04
Format string vulnerability in the nsrd RPC service in EMC NetWorker 7.6.3 and 7.6.4 before 7.6.4.1, and 8.0 before 8.0.0.1, allows remote attackers to execute arbitrary code via format string specifiers in a message.
- CVE-2012-2090HIGHCVSS v2 9.3EG 9.32012-06-17
Multiple format string vulnerabilities in FlightGear 2.6 and earlier and SimGear 2.6 and earlier allow user-assisted remote attackers to cause a denial of service and possibly execute arbitrary code via format string specifiers in certain …
- CVE-2012-0646HIGHCVSS v2 9.3EG 9.32012-03-08
Format string vulnerability in VPN in Apple iOS before 5.1 allows remote attackers to execute arbitrary code via a crafted racoon configuration file.
- CVE-2009-4769HIGHCVSS v2 9.3EG 9.32010-04-20
Multiple format string vulnerabilities in the tolog function in httpdx 1.4, 1.4.5, 1.4.6, 1.4.6b, and 1.5 allow (1) remote attackers to execute arbitrary code via format string specifiers in a GET request to the HTTP server component when …
- CVE-2008-7074HIGHCVSS v2 9.3EG 9.32009-08-25
Format string vulnerability in MemeCode Software i.Scribe 1.88 through 2.00 before Beta9 allows remote SMTP servers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in a server response,…
- CVE-2009-2916HIGHCVSS v2 9.3EG 9.32009-08-21
Format string vulnerability in the CNS_AddTxt function in logs.dll in 2K Games Vietcong 2 1.10 and earlier might allow remote attackers to execute arbitrary code via format string specifiers in the nickname.
- CVE-2009-1886HIGHCVSS v2 9.3EG 9.32009-06-25
Multiple format string vulnerabilities in client/client.c in smbclient in Samba 3.2.0 through 3.2.12 might allow context-dependent attackers to execute arbitrary code via format string specifiers in a filename.
- CVE-2008-3871HIGHCVSS v2 9.3EG 9.32009-04-01
Multiple format string vulnerabilities in UltraISO 9.3.1.2633, and possibly other versions before 9.3.3.2685, allow user-assisted attackers to execute arbitrary code via format string specifiers in the filename of a (1) DAA or (2) ISZ file.
- CVE-2008-6441HIGHCVSS v2 9.3EG 9.32009-03-09
Format string vulnerability in the Epic Games Unreal engine client, as used in multiple games, allows remote servers to execute arbitrary code via (1) the CLASS parameter in a DLMGR command, (2) a malformed package (PKG), and possibly (3) …
- CVE-2008-3734HIGHCVSS v2 9.3EG 9.32008-08-20
Format string vulnerability in Ipswitch WS_FTP Home 2007.0.0.2 and WS_FTP Professional 2007.1.0.0 allows remote FTP servers to cause a denial of service (application crash) or possibly execute arbitrary code via format string specifiers in…
- CVE-2008-0965HIGHCVSS v2 9.3EG 9.32008-08-08
Multiple format string vulnerabilities in snoop on Sun Solaris 8 through 10 and OpenSolaris before snv_96, when the -o option is omitted, allow remote attackers to execute arbitrary code via format string specifiers in an SMB packet.
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