Asus · Asus Rt-N12+ Pro · CVE-2017-6549
**Name of the Vulnerable Software and Affected Versions**
ASUS RT-N56U, RT-N66U, RT-AC66U, RT-N66R, RT-AC66R, RT-AC68U, RT-AC68R, RT-N66W, RT-AC66W, RT-AC87R, RT-AC87U, RT-AC51U, RT-AC68P, RT-N11P, RT-N12+, RT-N12E B1, RT-AC3200, RT-AC53U, RT-AC1750, RT-AC1900P, RT-N300, and RT-AC750 routers versions prior to 3.0.0.4.380.7378
RT-AC68W routers versions prior to 3.0.0.4.380.7266
RT-N600, RT-N12+ B1, RT-N11P B1, RT-N12VP B1, RT-N12E C1, RT-N300 B1, and RT-N12+ Pro routers versions prior to 3.0.0.4.380.9488
Asuswrt-Merlin firmware versions prior to 380.65 2
**Description**
A session hijack issue in httpd on various ASUS routers allows remote attackers to steal any active admin session by sending specific HTTP headers, including `cgi logout` and `asusrouter-Windows-IFTTT-1.0`.
**Recommendations**
For ASUS RT-N56U, RT-N66U, RT-AC66U, RT-N66R, RT-AC66R, RT-AC68U, RT-AC68R, RT-N66W, RT-AC66W, RT-AC87R, RT-AC87U, RT-AC51U, RT-AC68P, RT-N11P, RT-N12+, RT-N12E B1, RT-AC3200, RT-AC53U, RT-AC1750, RT-AC1900P, RT-N300, and RT-AC750 routers, update the firmware to version 3.0.0.4.380.7378 or later.
For RT-AC68W routers, update the firmware to version 3.0.0.4.380.7266 or later.
For RT-N600, RT-N12+ B1, RT-N11P B1, RT-N12VP B1, RT-N12E C1, RT-N300 B1, and RT-N12+ Pro routers, update the firmware to version 3.0.0.4.380.9488 or later.
For Asuswrt-Merlin firmware, update to version 380.65 2 or later.
As a temporary workaround, consider restricting access to the `cgi logout` and `asusrouter-Windows-IFTTT-1.0` HTTP headers until a patch is available.