Vulnerability · Published Dec 30, 2025 · Assigned by VulDB
CVE-2025-15230Tenda M3 setVlanPolicyData formSetVlanPolicy heap-based overflow
High 8.8
In plain English
A high-severity heap buffer overflow in M3 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 45.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in Tenda M3 1.0.0.13(4903). Affected by this issue is the function formSetVlanPolicy of the file /goform/setVlanPolicyData. Performing a manipulation of the argument qvlan_truck_port results in heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.
Affected products (as reported)
Weakness: CWE-122, 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-338626 | Tenda M3 setVlanPolicyData formSetVlanPolicy heap-based overflow vdb-entry, technical-description
- VDB-338626 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #725490 | Tenda M3 V1.0.0.13(4903) Heap-based Buffer Overflow third-party-advisory
- https://github.com/dwBruijn/CVEs/blob/main/Tenda/setVlanPolicy.md exploit
- https://www.tenda.com.cn/ product