Cyber Resilience

CVE-2023-23313

Medium

Published: 03 March 2023

Published
03 March 2023
Modified
07 October 2025
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0061 70.2th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-23313 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Draytek Vigor2860 Firmware. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 29.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Certain Draytek products are vulnerable to Cross Site Scripting (XSS) via the wlogin.cgi script and user_login.cgi script of the router's web application management portal. This affects Vigor3910, Vigor1000B, Vigor2962 v4.3.2.1; Vigor2865 and Vigor2866 v4.4.1.0; Vigor2927 v4.4.2.2; and Vigor2915, Vigor2765, Vigor2766,…

more

Vigor2135 v4.4.2.0; Vigor2763 v4.4.2.1; Vigor2862 and Vigor2926 v3.9.9.0; Vigor2925 v3.9.3; Vigor2952 and Vigor3220 v3.9.7.3; Vigor2133 and Vigor2762 v3.9.6.4; and Vigor2832 v3.9.6.2.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

draytek
vigor2860 firmware
≤ 3.9.4
draytek
vigor2860n firmware
≤ 3.9.4
draytek
vigor2860n-plus firmware
≤ 3.9.4
draytek
vigor2860vn-plus firmware
≤ 3.9.4
draytek
vigor2860ac firmware
≤ 3.9.4
draytek
vigor2860vac firmware
≤ 3.9.4
draytek
vigor2860l firmware
≤ 3.9.4
draytek
vigor2860ln firmware
≤ 3.9.4
draytek
vigor2832 firmware
≤ 3.9.6.3
draytek
vigor2832n firmware
≤ 3.9.6.3
+81 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References