CVE-2026-4904 - Vulnerability Analysis

Overview

Tenda AC5 15.03.06.47 contains a stack-based buffer overflow caused by manipulation of the "funcpara1" argument in /goform/setcfm POST Request Handler, letting remote attackers execute arbitrary code, exploit requires crafted request.

Severity & Score

Impact

Remote attackers can execute arbitrary code, potentially leading to full system compromise.

Mitigation

Update to the latest version.

References

• https://www.tenda.com.cn/
• 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

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 29, 2026

🟠 CVE-2026-4904 - High (8.8) 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.... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-4904/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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