Tenda F456 httpd SafeUrlFilter fromSafeUrlFilter buffer 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 detected in Tenda F456 1.0.0.5. Impacted is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be performed from remote. The exploit is now public and may be used.
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 | F456 | 1.0.0.5 | — | No fix listed | CNA |
- F456 VendorTenda Affected 1.0.0.5 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7056
- 2026-10-03 Alias added: GHSA-5q6j-pm44-mgg9
- 2026-10-25 EPSS moved to the below the 50th percentile
- 2026-11-06 EPSS moved to the 50th–90th percentile
References
More Tenda F456 Firmware vulnerabilities
- TI-2026-06225 Tenda F456 httpd WrlclientSet fromWrlclientSet buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-06224 Tenda F456 httpd Natlimit fromNatlimitof buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-06223 Tenda F456 httpd QuickIndex formQuickIndex buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-06222 Tenda F456 httpd DhcpListClient fromDhcpListClient buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-06221 Tenda F456 httpd webExcptypemanFilter fromwebExcptypemanFilter buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-06206 Tenda F456 httpd WrlExtraSet formWrlExtraSet buffer overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-7056 · CVE Program
- CVE-2026-7056 · NVD
- FIRST EPSS
- GHSA-5q6j-pm44-mgg9 · GitHub Advisory Database · CC BY 4.0
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