Vulnerability Monitor

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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.. A specially-crafted HTTP request can lead to memory corruption. An attacker can send a network request to trigger this vulnerability.


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 36 products from asus, from asuswrt-merlin, from asus and 33 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2022-08-05T22:15:11.143

Last Modified

2024-11-21T06:53:52.570

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses
  • Type: Secondary
    CWE-787
  • Type: Secondary
    CWE-787

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System asus asuswrt < 3.0.0.4.386_48706 Yes
Operating System asuswrt-merlin new_gen < 386.7 Yes
Operating System asus xt8_firmware < 3.0.0.4.386_48706 Yes
Hardware asus xt8 - No
Operating System asus tuf-ax3000_v2_firmware < 3.0.0.4.386_48750 Yes
Hardware asus tuf-ax3000_v2 - No
Operating System asus xd4_firmware < 3.0.0.4.386_48790 Yes
Hardware asus xd4 - No
Operating System asus et12_firmware < 3.0.0.4.386_48823 Yes
Hardware asus et12 - No
Operating System asus gt-ax6000_firmware < 3.0.0.4.386_48823 Yes
Hardware asus gt-ax6000 - No
Operating System asus xt12_firmware < 3.0.0.4.386_48823 Yes
Hardware asus xt12 - No
Operating System asus rt-ax58u_firmware < 3.0.0.4.386_48908 Yes
Hardware asus rt-ax58u - No
Operating System asus xt9_firmware < 3.0.0.4.388_20027 Yes
Hardware asus xt9 - No
Operating System asus xd6_firmware < 3.0.0.4.386_49356 Yes
Hardware asus xd6 - No
Operating System asus gt-ax11000_pro_firmware < 3.0.0.4.386_48996 Yes
Hardware asus gt-ax11000_pro - No
Operating System asus gt-axe16000_firmware < 3.0.0.4.386_48786 Yes
Hardware asus gt-axe16000 - No
Operating System asus rt-ax86u_firmware < 3.0.0.4.386_49447 Yes
Hardware asus rt-ax86u - No
Operating System asus rt-ax68u_firmware < 3.0.0.4.386_49479 Yes
Hardware asus rt-ax68u - No
Operating System asus rt-ax82u_firmware < 3.0.0.4.386_49380 Yes
Hardware asus rt-ax82u - No
Operating System asus rt-ax56u_firmware < 3.0.0.4.386_49559 Yes
Hardware asus rt-ax56u - No
Operating System asus rt-ax55_firmware < 3.0.0.4.386_49559 Yes
Hardware asus rt-ax55 - No
Operating System asus gt-ax11000_firmware < 3.0.0.4.386_49559 Yes
Hardware asus gt-ax11000 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For asus's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.