CVE-2025-25734

MEDIUMNVD 6.89.8▲
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2025-08-26. NVD baseline CVSS 6.8; sources differ by 3.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 was discovered to contain an unauthenticated EFI shell which allows attackers to execute arbitrary code or escalate privileges during the boot process.

CVSS v3
6.8
EG Score
9.8(medium)
EPSS
25.0%
KEV
Not listed

Published

August 26, 2025

Last Modified

October 22, 2025

References (6)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 14:07 UTCEPSS rescore
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  43. 2026-06-07 15:24 UTCEPSS rescore
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  45. 2026-06-06 13:47 UTCEPSS rescore
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  61. 2026-05-29 23:52 UTCEG score recompute
  62. 2026-05-29 23:52 UTCGHSA enrichment
  63. 2026-05-29 13:44 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-25734?
CVE-2025-25734 is a medium vulnerability published on August 26, 2025. Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 was discovered to contain an unauthenticated EFI shell which allows attackers to execute arbitrary code or escalate privileges during the boot process.
When was CVE-2025-25734 disclosed?
CVE-2025-25734 was first published in the National Vulnerability Database on August 26, 2025, with the most recent update on October 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-25734 actively exploited?
CVE-2025-25734 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-25734?
CVE-2025-25734 has a CVSS v3 base score of 6.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
How do I remediate CVE-2025-25734?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-25734, 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.

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