Tenda O3 setDhcpConfig GetValue stack-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A vulnerability was determined in Tenda O3 1.0.0.10(2478). Affected is the function SetValue/GetValue of the file /goform/setDhcpConfig. Executing a manipulation of the argument dhcpEn can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | O3 | 1.0.0.10(2478) | — | No fix listed | CNA |
- O3 VendorTenda Affected 1.0.0.10(2478) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-12209
- 2026-10-03 Alias added: GHSA-q7mg-7pgv-5gh9
References
More Tenda O3 Firmware1.0.0.10(2478) vulnerabilities
- TI-2025-11196 Tenda O3 setVlanConfig GetValue stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-11195 Tenda O3 setNetworkService GetValue stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-11194 Tenda O3 setDmzInfo GetValue stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-11193 Tenda O3 AdvSetLanip GetValue stack-based overflow CVSS 4.0HIGH 8.7
- TI-2024-06464 Tenda O3 fromVirtualSet stack-based overflow CVSS 4.0HIGH 8.7
- TI-2024-06463 Tenda O3 fromDhcpSetSer stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2025-12209 · CVE Program
- CVE-2025-12209 · NVD
- FIRST EPSS
- GHSA-q7mg-7pgv-5gh9 · GitHub Advisory Database · CC BY 4.0
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