CVE-2026-17251
7.1
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
A NULL pointer dereference vulnerability exists in the HTTP request parsing functionality of TL-MR6400 v7. An unauthenticated remote attacker can trigger the vulnerability by sending a specially crafted HTTP request containing a malformed session cookie header.
Successful exploitation may cause the HTTP service process to crash, resulting in a denial-of-service condition and temporary loss of management or CGI functionality until service recovery.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TP-Link Systems Inc. | TL-MR6400 v7.0 | 0 < 1.9.0 Build 260714 | affected |
Weaknesses
- CWE-476: CWE-476 NULL pointer dereference
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware
- https://www.tp-link.com/tw/support/download/tl-mr6400/v7/#Firmware
- https://www.tp-link.com/us/support/faq/5259/
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