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CVE-2026-4974

Tenda AC7 POST Request SetSysTimeCfg fromSetSysTime memory corruption

CVSS 8.7 HIGHEPSS 0.6%CWE-119CWE-121
Vexday Risk Score
41Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 8.7EPSS 0.6%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
27 Mar 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A flaw has been found in Tenda AC7 15.03.06.44. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. Executing a manipulation of the argument Time can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · AC7
public PoCs found — 1
cve_referencelavender-bicycle-a5a.notion.site/Tenda-AC7-fromSetSysTime-32153a41781f801c95b0f8a53eaa9a1f?source=copy_linkunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://lavender-bicycle-a5a.notion.site/Tenda-AC7-fromSetSysTime-32153a41781f801c95b0f8a53eaa9a1f?source=copy_linkhttps://vuldb.com/?ctiid.353861https://vuldb.com/?id.353861https://vuldb.com/?submit.778207https://www.tenda.com.cn/