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CVE-2026-7151

Tenda HG3 formIPv6Routing formUploadConfig stack-based overflow

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 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
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 · HG3
public PoCs found — 1
cve_referencewww.notion.so/33e0c75766a88041bd86d3810994a541unverified
⚠ 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://vuldb.com/submit/802058https://vuldb.com/vuln/359750https://vuldb.com/vuln/359750/ctihttps://www.notion.so/33e0c75766a88041bd86d3810994a541https://www.tenda.com.cn/