Buffer Overflow vulnerability in Tenda O3 v.1.0.0.5 allows a remote attacker to cause a…
Priority MEDIUM 62CWE-120Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Buffer Overflow vulnerability in Tenda O3 v.1.0.0.5 allows a remote attacker to cause a denial of service via a network packet in a fixed format to a router running the corresponding version of the firmware.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00428 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-51409
- 2026-10-03 Alias added: GHSA-74f8-hfjw-wvrf
References
More Tenda O3 Firmware vulnerabilities
- TI-2025-35064 Tenda O3V2 1.0.0.12(3880) is vulnerable to Buffer Overflow in the fromSafeSetMacFilter function via the mac parameter. CVSS 3.1CRITICAL 9.8
- TI-2024-24343 Tenda O3V2 v1.0.0.12(3880) was discovered to contain a Blind Command Injection via stpEn… CVSS 3.1CRITICAL 9.8
- TI-2025-06764 Tenda O3V2 httpd setWrlFilterList formWifiMacFilterSet stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-06763 Tenda O3V2 httpd setNetworkService setAutoReboot stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-06762 Tenda O3V2 httpd operateMacFilter fromMacFilterModify stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-06761 Tenda O3V2 httpd setWrlBasicInfo formWifiBasicSet stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2024-51409 · CVE Program
- CVE-2024-51409 · NVD
- FIRST EPSS
- GHSA-74f8-hfjw-wvrf · GitHub Advisory Database · CC BY 4.0
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