Vulnerability · Published Oct 27, 2025 · Assigned by VulDB
CVE-2025-12212Tenda O3 setNetworkService GetValue stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in O3 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 43.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A weakness has been identified in Tenda O3 1.0.0.10(2478). This affects the function SetValue/GetValue of the file /goform/setNetworkService. This manipulation of the argument upnpEn causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
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-329882 | Tenda O3 setNetworkService GetValue stack-based overflow vdb-entry, technical-description
- VDB-329882 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #673267 | Tenda O3 V1.0.0.10(2478) Buffer Overflow third-party-advisory
- https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setNetworkService.md exploit
- https://www.tenda.com.cn/ product