An unauthenticated remote attacker may use a stack based buffer overflow in the u-link Management API to gain full access on the affected devices.
CVE-2025-41687
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2025-07-23. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 59(Track)EG Risk 59/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity98% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 51%
- KEV
- Not listed
Published
July 23, 2025
Last Modified
April 15, 2026
References (1)
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Frequently asked(5)
What is CVE-2025-41687?
CVE-2025-41687 is a critical vulnerability published on July 23, 2025. An unauthenticated remote attacker may use a stack based buffer overflow in the u-link Management API to gain full access on the affected devices.
When was CVE-2025-41687 disclosed?
CVE-2025-41687 was first published in the National Vulnerability Database on July 23, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-41687 actively exploited?
CVE-2025-41687 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 48.5% of all scored CVEs.
What is the CVSS score of CVE-2025-41687?
CVE-2025-41687 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-41687?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-41687, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-41687
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