What is CVE-2015-5990?

CVE-2015-5990 is a high-severity vulnerability in Zyxel Gs1900-10hp Firmware, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2015-12-31.

How severe is CVE-2015-5990?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2015-5990 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Zyxel Gs1900-10hp Firmware

CVE-2015-5990

Cross-site request forgery (CSRF) vulnerability on Belkin F9K1102 2 devices with firmware 2.10.17 allows remote attackers to hijack the authentication of arbitrary users.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2015-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.3th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Zyxel Gs1900-10hp Firmware

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.kb.cert.org/vuls/id/201168 (US Government Resource, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2015-5990?: CVE-2015-5990 is a high-severity vulnerability in Zyxel Gs1900-10hp Firmware, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2015-12-31.
How severe is CVE-2015-5990?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2015-5990 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.