No exploitation reportedFix available

CVE-2015-5988

Q: Is CVE-2015-5988 actively exploited?

Active exploitation of CVE-2015-5988 has not been confirmed. Its EPSS score was 2.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2015-5988?

CVE-2015-5988 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2015-12-31
Fixed in2.50\(aazi.0\)c0
WeaknessCWE-255

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The web management interface on Belkin F9K1102 2 devices with firmware 2.10.17 has a blank password, which allows remote attackers to obtain administrative privileges by leveraging a LAN session.

Timeline

dates in UTC

2015-12-3116:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2015-5988?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2015-5988?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Zyxel gs1900-10hp firmwareversion to verify

Branch	Affected	Fixed in	Source
2.50	< 2.50\(aazi.0\)c0	2.50\(aazi.0\)c0	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Zyxel gs1900-10hp firmware to 2.50\(aazi.0\)c0

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
NVDweakness (CWE)CWE-255read 2026-10-23
FIRST EPSSEPSS score2.7 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2015-12-31
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2015-5988?

The web management interface on Belkin F9K1102 2 devices with firmware 2.10.17 has a blank password, which allows remote attackers to obtain administrative privileges by leveraging a LAN session.

Is CVE-2015-5988 actively exploited?

Active exploitation of CVE-2015-5988 has not been confirmed. Its EPSS score was 2.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-5988?

CVE-2015-5988 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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