CVE-2026-4961 - Vulnerability Analysis

Overview

Tenda AC6 15.03.05.16 contains a stack-based buffer overflow caused by manipulation of the "PPPOEPassword" argument in /goform/QuickIndex 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 available version.

References

• https://lavender-bicycle-a5a.notion.site/Tenda-AC6-QuickIndex-32053a41781f80758e27fa4259ec80cf?source=copy_link
• https://vuldb.com/?ctiid.353838
• https://vuldb.com/?id.353838
• https://vuldb.com/?submit.777617
• https://www.tenda.com.cn/

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 27, 2026

🟠 CVE-2026-4961 - High (8.8) A vulnerability was identified in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. The manipulation of the argument PPPOEPassword leads to st... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-4961/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner