PT-2022-6671 · Asus · Asuswrt

Francesco Benvenuto · Published 2022-08-05 · Updated 2025-06-12 · CVE-2022-26376

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Asuswrt versions prior to 3.0.0.4.386 48706 Asuswrt-Merlin New Gen versions prior to 386.7

Description A memory corruption issue exists in the httpd unescape functionality. This can be triggered by a specially-crafted HTTP request, leading to memory corruption. An attacker can exploit this by sending a network request.

Recommendations For Asuswrt versions prior to 3.0.0.4.386 48706, update to version 3.0.0.4.386 48706 or later. For Asuswrt-Merlin New Gen versions prior to 386.7, update to version 386.7 or later. As a temporary workaround, consider restricting access to the httpd unescape functionality until a patch is available.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2023-03303

CVE-2022-26376

Affected Products

Asuswrt

References · 10

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2022-1511 · Exploit
• https://osv.dev/vulnerability/CVE-2022-26376 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-26376 · Security Note
• https://bdu.fstec.ru/vul/2023-03303 · Security Note
• https://asus.com/content/asus-product-security-advisory · Note
• https://t.me/echeloneyes/1643 · Telegram Post
• https://t.me/thehackernews/3501 · Telegram Post
• https://reddit.com/r/u_Axee7/comments/1l9xnf3/asus_rtac68u_firmware_3004386_51733g8eebcd2 · Reddit Post
• https://t.me/true_secator/4523 · Telegram Post
• https://vuldb.com/ru/?id.205788 · Note