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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-2026-71923 is a command injection vulnerability in DrayTek VigorSwitch G2540xs devices. It arises from insufficient filtering of username and password inputs in the auth_set function, allowing remote attackers with valid administrative credentials to execute arbitrary commands as root. The vulnerability has a high severity score of 8.6 and requires no user interaction but does require high privileges to exploit.

This vulnerability affects multiple DrayTek VigorSwitch models, specifically the G2540xs. The root cause is improper neutralization of special elements in the username and password fields before executing OS commands in the auth_set function. An attacker who has valid administrative credentials to the device's web management interface can supply crafted input to trigger arbitrary command execution with root privileges. 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.

Detailed information about CVE-2026-71923: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in DrayTek Corporation Vig

CVE-2026-71923: 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-2026-71923: 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-2026-71923: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in DrayTek Corporation VigorSwitch G2540xsCVE-2026-71923 0 CVE-2026-71923 is a command injection vulnerability in DrayTek VigorSwitch G2540xs devices. It arises from insufficient filtering of username and password inputs in the auth_set function, allowing remote attackers with valid administrative credentials to execute arbitrary commands as root. The vulnerability has a high severity score of 8.6 and requires no user interaction but does require high privileges to exploit. HighVulnerability#cve #cve-2026-71923 Join the discussion	CVE Database V5	08/24/2026, 17:07:52 UTC Added: 08/24/2026, 17:22:52 UTC

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