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Fencer Vulns
medium 6.1

CVE-2024-41591 json

DrayTek Vigor3910 devices through 4.3.2.6 allow unauthenticated DOM-based reflected XSS.

published 2024-10-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-39088

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits
0
none known

Summary

DrayTek Vigor3910 devices through 4.3.2.6 allow unauthenticated DOM-based reflected XSS.

Patch / fix

  • draytek vigor2915_firmware 4.4.5.3
  • draytek vigor2866_firmware 4.4.5.2
  • draytek vigor2766_firmware 4.4.5.3
  • draytek vigor2865_firmware 4.4.5.2
  • draytek vigor2765_firmware 4.4.5.3
  • draytek vigor2763_firmware 4.4.5.3
  • draytek vigor2135_firmware 4.4.5.3
  • draytek vigor166_firmware 4.2.7
  • draytek vigor1000b_firmware 4.3.2.8, 4.4.3.1
  • draytek vigor165_firmware 4.2.7
  • draytek vigor3910_firmware 4.3.2.8, 4.4.3.1
  • draytek vigor2962_firmware 4.3.2.8, 4.4.3.1
  • draytek vigor3912_firmware 4.3.6.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.