Vulnerability · Published Jun 9, 2025 · Assigned by VulDB
CVE-2025-5863Tenda AC5 SetRebootTimer formSetRebootTimer 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 1.1% (higher than 66% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.1%top 34.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in Tenda AC5 15.03.06.47. It has been classified as critical. Affected is the function formSetRebootTimer of the file /goform/SetRebootTimer. The manipulation of the argument rebootTime leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
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-311622 | Tenda AC5 SetRebootTimer formSetRebootTimer stack-based overflow vdb-entry, technical-description
- VDB-311622 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #591981 | Tenda AC5 V1.0 V15.03.06.47 Buffer Overflow third-party-advisory
- https://lavender-bicycle-a5a.notion.site/Tenda-AC5-formSetRebootTimer-20a53a41781f80a6b9a8f6e5915cf256?source=copy_link exploit
- https://www.tenda.com.cn/ product