CVE-2026-75616Command Injection in Router Web Management Interface
Updated under an hour ago ()
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It affects TP-Link Systems Inc. Archer C20 v6 and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
An OS command injection vulnerability exists in the web management interface of Archer C20 v6 firmware when processing certain WAN-related configuration operations. An authenticated administrator may exploit insufficient input validation to execute arbitrary system commands, potentially resulting in full device compromise. Successful exploitation may allow arbitrary command execution with elevated privileges, compromising the confidentiality, integrity, and availability of the affected device and network traffic passing through it.
- CVSS
- 8.5 HIGH (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TPLink
- NVD analysis
- Analyzed
- Record last updated
- Aug 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TP-Link Systems Inc. Archer C20 v6 tp_link_systems:archer_c20_v6 (from the name) | before EU_0.9.1 Build 260811; before US_0.9.1 Build 260812; before RU_0.9.1 Build 260812 | CNA record |
tp-link archer_c20_firmware tp-link:archer_c20_firmware | before 0.9.1 | NVD |
References
- https://www.tp-link.com/us/support/download/archer-c20/v6.46/#Firmwarepatch, product
- https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmwarepatch, product
- https://www.tp-link.com/en/support/faq/5252/vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.