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Multiple vulnerabilities have been addressed in the DrayTek VigorSwitch product line by the Nationaal Cyber Security Centrum. These issues include a range of weaknesses such as command injection, null pointer dereference, path traversal, authorization bypass, and buffer overflow. The affected products include DrayTek VigorSwitch FX2120 and potentially other versions, though exact affected versions are not specified. No CVSS score is available for these vulnerabilities. There is no indication of known exploits in the wild. Patch or remediation details are not provided in the source data.

The Nationaal Cyber Security Centrum has fixed multiple vulnerabilities in the DrayTek VigorSwitch product line, including 29 CVEs such as CVE-2026-71915 through CVE-2026-71943. The vulnerabilities cover several CWE categories: CWE-78 (OS Command Injection), CWE-476 (Null Pointer Dereference), CWE-22 (Path Traversal), CWE-862 (Authorization Bypass), and CWE-120 (Buffer Overflow). The advisory does not specify affected versions or patch availability. No known exploits have been reported in the wild.

Detailed information about Kwetsbaarheden verholpen in DrayTek VigorSwitch affecting Nationaal Cyber Security Centrum DrayTek. Get real-time updates, technical 

Kwetsbaarheden verholpen in DrayTek VigorSwitch - Live Threat Intelligence - Threat Radar | OffSeq.com

Reference

Kwetsbaarheden verholpen in DrayTek VigorSwitch

CVE-2026-71921 is a critical pre-authentication OS command injection vulnerability in DrayTek VigorSwitch G2540xs devices. It occurs in the setget.cgi interface due to insufficient filtering of the 'pass' field, allowing remote attackers to execute arbitrary commands with root privileges without authentication.

This vulnerability affects multiple DrayTek VigorSwitch models, specifically the G2540xs, where the setget.cgi interface improperly neutralizes special elements in the 'pass' parameter before executing system commands. This flaw enables a remote attacker to inject and execute arbitrary OS commands with root-level privileges without requiring authentication, posing a severe security risk. The CVSS 4.0 base score is 9.3, reflecting its critical impact and ease of exploitation. No patch or official remediation information is currently available, and no known exploits in the wild have been reported.

Detailed information about CVE-2026-71921: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in DrayTek Corporation Vig

CVE-2026-71921: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in DrayTek Corporation VigorSwitch G2540xs - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-71921: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in DrayTek Corporation VigorSwitch G2540xs


Kwetsbaarheden verholpen in DrayTek VigorSwitchCVE-2026-71915 0 Multiple vulnerabilities have been addressed in the DrayTek VigorSwitch product line by the Nationaal Cyber Security Centrum. These issues include a range of weaknesses such as command injection, null pointer dereference, path traversal, authorization bypass, and buffer overflow. The affected products include DrayTek VigorSwitch FX2120 and potentially other versions, though exact affected versions are not specified. No CVSS score is available for these vulnerabilities. There is no indication of known exploits in the wild. Patch or remediation details are not provided in the source data. HighVulnerability#gcve #csaf #cve-2026-71915 Join the discussion	GCVE Database	08/26/2026, 09:03:54 UTC Added: 08/26/2026, 15:01:54 UTC
CVE-2026-71921: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in DrayTek Corporation VigorSwitch G2540xsCVE-2026-71921 0 CVE-2026-71921 is a critical pre-authentication OS command injection vulnerability in DrayTek VigorSwitch G2540xs devices. It occurs in the setget.cgi interface due to insufficient filtering of the 'pass' field, allowing remote attackers to execute arbitrary commands with root privileges without authentication. CriticalVulnerability#cve #cve-2026-71921 Join the discussion	CVE Database V5	08/24/2026, 17:07:50 UTC Added: 08/24/2026, 17:22:49 UTC

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