A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.
CVE-2020-35576
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 98.6%
- KEV
- Not listed
Published
January 26, 2021
Last Modified
November 21, 2024
References (6)
- cve@mitrehttps://jvn.jp/en/vu/JVNVU92444096/
- cve@mitrehttps://www.tp-link.com/jp/support/download/tl-wr841n/v13/#Firmware
- cve@mitrehttps://www.tp-link.com/us/security
- af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/vu/JVNVU92444096/
- af854a3a-2127-422b-91ae-364da2661108https://www.tp-link.com/jp/support/download/tl-wr841n/v13/#Firmware
- af854a3a-2127-422b-91ae-364da2661108https://www.tp-link.com/us/security
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 32× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 22:39 UTCEG score recompute
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- 2026-05-26 21:41 UTCEG score recompute
- 2026-05-26 21:41 UTCGHSA enrichment
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-50058First seen Jun 24, 2021
TP-Link TL-WR841N - Command Injection
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-78 · CWE-88
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- CVE-2011-2523EG 9.8EPSS 100%CRITICAL
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- CVE-2007-0882NVD 0.0EG 9.0EPSS 100%NONE
Frequently asked(5)
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Dependency Blast Radius
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