What’s Vulnerable › Vulnerabilities

CVE-2026-4904: Tenda AC5 POST Request setcfm formSetCfm stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-27 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability has been found in Tenda AC5 15.03.06.47. This issue affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. Such manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda AC5: 15.03.06.47

References

• https://lavender-bicycle-a5a.notion.site/Tenda_AC5_setcfm_funcpara1-32053a41781f8073a4d6ef8076abe644?source=copy_link
• https://vuldb.com/?ctiid.353655
• https://vuldb.com/?id.353655
• https://vuldb.com/?submit.777381
• https://www.tenda.com.cn/

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