CVE-2026-4252: critical vulnerability in Tenda AC8
Tenda AC8 IPv6 check_is_ipv6 ip address for authentication
Published
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48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.3epss 1.4%
A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · AC8public PoCs found — 1
cve_referencegithub.com/digitalandrew/tenda_ac8_v5/blob/main/poc_ipv6_auth_bypass.pyunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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