SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-26376

A memory corruption vulnerability exists in the httpd unescape functionality of Asuswrt prior to 3.0.0.4.386_48706 and Asuswrt-Merlin New Gen prior to 386.7..

CRITICAL 9.8EPSS 1.32%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A memory corruption vulnerability exists in the httpd unescape functionality of Asuswrt prior to 3.0.0.4.386_48706 and Asuswrt-Merlin New Gen prior to 386.7.. A specially-crafted HTTP request can lead to memory corruption. An attacker can send a network request to trigger this vulnerability.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.32% probability · 69th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
asus/asuswrt · asuswrt-merlin/new gen · asus/xt8 firmware · asus/tuf-ax3000 v2 firmware · asus/xd4 firmware · asus/et12 firmware · asus/gt-ax6000 firmware · asus/xt12 firmware · asus/rt-ax58u firmware · asus/xt9 firmware · asus/xd6 firmware · asus/gt-ax11000 pro firmware · asus/gt-axe16000 firmware · asus/rt-ax86u firmware · asus/rt-ax68u firmware · asus/rt-ax82u firmware · asus/rt-ax56u firmware · asus/rt-ax55 firmware · asus/gt-ax11000 firmware
Source
talos-cna@cisco.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.