CVE-2026-14157: CWE-134: Use of Externally-Controlled Format String in ASUS Router
CVE-2026-14157 is a critical vulnerability in ASUS Router modules involving the use of an externally controlled format string. This flaw allows a remote authenticated user to execute arbitrary commands by uploading a crafted file through the router's web management interface. The vulnerability has a high CVSS 4.0 score of 9.4, indicating severe impact if exploited. No affected versions or patch information are provided in the available data.
AI Analysis
Technical Summary
This vulnerability (CWE-134) in ASUS Router modules arises from improper handling of externally controlled format strings. An authenticated remote attacker can exploit this by uploading a specially crafted file via the web management interface, leading to arbitrary command execution on the device. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no user interaction, and high privileges required, with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a remote authenticated user to execute arbitrary commands on the affected ASUS Router, potentially compromising the device's confidentiality, integrity, and availability. This could lead to full control over the router and disruption of network services.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict access to the web management interface to trusted users and monitor for suspicious activity.
CVE-2026-14157: CWE-134: Use of Externally-Controlled Format String in ASUS Router
Description
CVE-2026-14157 is a critical vulnerability in ASUS Router modules involving the use of an externally controlled format string. This flaw allows a remote authenticated user to execute arbitrary commands by uploading a crafted file through the router's web management interface. The vulnerability has a high CVSS 4.0 score of 9.4, indicating severe impact if exploited. No affected versions or patch information are provided in the available data.
CVSS v4.0
Score 9.4critical
Affected software
ASUS
Router
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-134) in ASUS Router modules arises from improper handling of externally controlled format strings. An authenticated remote attacker can exploit this by uploading a specially crafted file via the web management interface, leading to arbitrary command execution on the device. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no user interaction, and high privileges required, with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a remote authenticated user to execute arbitrary commands on the affected ASUS Router, potentially compromising the device's confidentiality, integrity, and availability. This could lead to full control over the router and disruption of network services.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict access to the web management interface to trusted users and monitor for suspicious activity.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ASUS
- Date Reserved
- 2026-06-30T00:27:11.829Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abdc3062a4e24523d3c647d
Added to database: 10/01/2026, 02:18:46 UTC
Last enriched: 10/01/2026, 02:32:57 UTC
Last updated: 10/01/2026, 05:04:58 UTC
Views: 17
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