CVE-2026-89052Hardcoded AES encryption key in Archer C6
Updated under an hour ago ()
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It affects TP-Link Systems Inc. Archer C6 V2. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A hardcoded cryptographic key management vulnerability exists in Archer C6 due to the use of a universal cryptographic key shared across devices. An attacker who obtains an encrypted configuration file or other protected credential data can recover plaintext credentials. Successful exploitation may allow unauthorized disclosure of sensitive information, including administrative credentials.
- CVSS
- 5.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-321
- 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
- Received
- Record last updated
- Oct 21, 2026
- First seen by InfoSec Signals
- Oct 21, 2026
Affected products
TP-Link Systems Inc. Archer C6 V2 tp_link_systems:archer_c6_v2 (from the name) | before 1.2.1 Build 260902 | CNA record |
References
- https://www.tp-link.com/us/support/download/archer-c6/v2/#Firmwarepatch
- https://www.tp-link.com/us/support/faq/5356/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.