Vulnerability · Published Mar 27, 2026 · Assigned by VulDB
CVE-2026-4906Tenda AC5 POST Request WizardHandle decodePwd stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in AC5 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 86% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)2.6%top 14.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in Tenda AC5 15.03.06.47. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-353657 | Tenda AC5 POST Request WizardHandle decodePwd stack-based overflow vdb-entry, technical-description
- VDB-353657 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #777394 | Tenda AC5 AC5 V1.0 V15.03.06.47 Buffer Overflow third-party-advisory
- https://lavender-bicycle-a5a.notion.site/Tenda_AC5_WizardHandle_PPW-32053a41781f80cab094d750d30dc9a8?source=copy_link exploit
- https://www.tenda.com.cn/ product