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Vulnerability · Published Oct 3, 2025 · Assigned by certcc

CVE-2025-10547CVE-2025-10547

Critical 9.8

In plain English

A critical-severity security flaw in Vigor 2927 LTE from DrayTek Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 52.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An uninitialized variable in the HTTP CGI request arguments processing component of Vigor Routers running DrayOS may allow an attacker the ability to perform RCE on the appliance through memory corruption.

Affected products (as reported)

VendorProductVersions
DrayTek Corporation Vigor1000B 0 – before 4.4.5.1
DrayTek Corporation Vigor2962 0 – before 4.4.5.1
DrayTek Corporation Vigor3910 0 – before 4.4.3.6
DrayTek Corporation Vigor3912 0 – before 4.4.5.1
DrayTek Corporation Vigor2135 0 – before 4.5.1
DrayTek Corporation Vigor2763 0 – before 4.5.1
DrayTek Corporation Vigor2765 0 – before 4.5.1
DrayTek Corporation Vigor2766 0 – before 4.5.1
DrayTek Corporation Vigor2865 0 – before 4.5.1
DrayTek Corporation Vigor2865 LTE Series 0 – before 4.5.1
DrayTek Corporation Vigor2865L-5G Series 0 – before 4.5.1
DrayTek Corporation Vigor2866 1.0 – before 4.5.1
DrayTek Corporation Vigor2866 LTE 0 – before 4.5.1
DrayTek Corporation Vigor2927 0 – before 4.5.1
DrayTek Corporation Vigor 2927 LTE 0 – before 4.5.1
DrayTek Corporation Vigor2927L-5G 0 – before 4.5.1
DrayTek Corporation Vigor2915 0 – before 4.4.6.1
DrayTek Corporation Vigor2862 0 – before 3.9.9.12
DrayTek Corporation Vigor2862 LTE 0 – before 3.9.9.12
DrayTek Corporation Vigor2926 0 – before 3.9.9.12

References