UPnP DOS in TL-WR940N V6
Priority LOW 31CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Improper input validation vulnerability in TP-Link System Inc. TL-WR940N V6 (UPnP modules), which allows unauthenticated adjacent attackers to perform DoS attack. This issue affects TL-WR940N V6 <= Build 220801.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00208 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| TP-Link System Inc. | TL-WR940N V6 | up to Build 220801 | — | No fix listed | CNA |
- TL-WR940N V6 VendorTP-Link System Inc. Affected up to Build 220801 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11676
- 2026-10-03 Alias added: GHSA-ppr2-rx8w-xw63
References
More TP-Link System Inc. vulnerabilities
- TI-2026-65319 Authenticated OS Command Injection in TL-WR841N IPv6 WAN Configuration CVSS 4.0HIGH 8.5
- TI-2026-56252 Unauthenticated Account Information Disclosure in Multiple Omada Controllers CVSS 4.0MEDIUM 6.9
- TI-2026-74509 Missing authorization in TP-Link Omada Controller MSP mode CVSS 4.0HIGH 7.5
- TI-2026-69751 Plaintext storage of device private key in Tapo S505 firmware CVSS 4.0MEDIUM 5.4
- TI-2026-53559 Pre-Authentication Multipart Boundary Buffer Overflow in HTTP Service in TP-Link TL-WR841N CVSS 4.0MEDIUM 5.3
- TI-2026-53558 Pre-Authentication NULL Pointer Dereference in UPnP SOAP State Variable Query Processing in TP-Link TL-WR841N CVSS 4.0MEDIUM 5.3
Sources
- CVE-2025-11676 · CVE Program
- CVE-2025-11676 · NVD
- FIRST EPSS
- GHSA-ppr2-rx8w-xw63 · 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