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CVE-2024-41335

HIGH

7.5

CVSS Score

Published: February 27, 2025 at 12:00 AM UTC

Updated: July 5, 2026 at 01:31 AM UTC

20 products affected across 1 vendorVigor3910DrayTek Vigor 2962DrayTek Vigor 2765

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Severity

HIGH7.5

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior to v3.9.7, Vigor 2862/2926 prior to v3.9.9.4, Vigor 2133/2762/2832 prior to v3.9.8, Vigor 2135/2765/2766 prior to v4.4.5.1, Vigor 2865/2866/2927 prior to v4.4.5.3, Vigor 2962/3910 prior to v4.3.2.7, Vigor 3912 prior to v4.3.5.2, and Vigor 2925 up to v3.9.6 were discovered to utilize insecure versions of the functions strcmp and memcmp, allowing attackers to possibly obtain sensitive information via timing attacks.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

DrayTek Vigor 165 · Draytek

90%

v < 4.2.6

DrayTek Vigor 166 · Draytek

90%

v < 4.2.6

DrayTek Vigor 2133 · Draytek

90%

v < 3.9.8

DrayTek Vigor 2135 · Draytek

90%

v < 4.4.5.1

DrayTek Vigor 2620 · Draytek

90%

v < 3.9.8.8

DrayTek Vigor 2762 · Draytek

90%

v < 3.9.8

DrayTek Vigor 2765 · Draytek

90%

v < 4.4.5.1

DrayTek Vigor 2766 · Draytek

90%

v < 4.4.5.1

DrayTek Vigor 2832 · Draytek

90%

v < 3.9.8

DrayTek Vigor 2860 · Draytek

90%

v < 3.9.7

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]

http://draytek.com

Source: [email protected]

https://medium.com/faraday/advisory-multiple-vulnerabilities-affecting-draytek-routers-78a6cb8b3946

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-203

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