Tenda CH22 httpd R7WebsSecurityHandlerfunction path traversal
Priority HIGH 70CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was detected in Tenda CH22 1.0.0.6(468). This issue affects the function R7WebsSecurityHandlerfunction of the component httpd. The manipulation results in path traversal. The attack may be launched remotely. The exploit is now public and may be used.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00547 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Tenda | CH22 | 1.0.0.6(468) | — | No fix listed | CNA |
- CH22 VendorTenda Affected 1.0.0.6(468) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-5962
- 2026-10-03 Alias added: GHSA-m4j2-cxpj-8gp8
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More Tenda Ch22 Firmware vulnerabilities
- TI-2025-10464 Tenda CH22 SafeEmailFilter formSafeEmailFilter memory corruption CVSS 4.0CRITICAL 9.3
- TI-2025-10459 Tenda CH22 HTTP Request AdvSetWrlsafeset formWrlsafeset stack-based overflow CVSS 4.0CRITICAL 9.3
- TI-2024-30869 Tenda CH22 V1.0.0.6(468) has a stack overflow vulnerability located in the frmL7PlotForm function. CVSS 3.1CRITICAL 9.8
- TI-2024-30868 CH22 V1.0.0.6(468) has a stack overflow vulnerability located in the fromqossetting function. CVSS 3.1CRITICAL 9.8
- TI-2026-04913 Tenda CH22 WrlExtraSet formWrlExtraSet stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-04912 Tenda CH22 Parameter CertLocalPrecreate formCertLocalPrecreate stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-5962 · CVE Program
- CVE-2026-5962 · NVD
- FIRST EPSS
- GHSA-m4j2-cxpj-8gp8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences