CVE-2019-25249

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2025-12-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

devolo dLAN 500 AV Wireless+ 3.1.0-1 contains an authentication bypass vulnerability that allows attackers to enable hidden services through the htmlmgr CGI script. Attackers can enable telnet and remote shell services, reboot the device, and gain root access without a password by manipulating system configuration parameters.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
29.6%
KEV
Not listed

Published

December 24, 2025

Last Modified

April 15, 2026

Advisory Details (3)

Auto-updated May 5, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Zero Science Lab — Information Security Research & Development Laboratory

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5508.php
generic🟡 PoC Available

devolo dLAN 550 duo+ Starter Kit - Remote Code Execution - Hardware webapps Exploit

https://www.exploit-db.com/exploits/46325
generic

Internet anywhere – devolo cures weak Wi-Fi | devolo

https://www.devolo.com

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 41× 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.

Showing the most recent 100 of 110 total refreshes for this CVE.

  1. 2026-07-15 16:55 UTCEPSS rescore
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  65. 2026-05-21 02:01 UTCEG score recompute
  66. 2026-05-21 02:00 UTCGHSA enrichment
  67. 2026-05-20 11:21 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2019-25249?
CVE-2019-25249 is a critical vulnerability published on December 24, 2025. devolo dLAN 500 AV Wireless+ 3.1.0-1 contains an authentication bypass vulnerability that allows attackers to enable hidden services through the htmlmgr CGI script. Attackers can enable telnet and remote shell services, reboot the device, and gain root access without a password by manipulating…
When was CVE-2019-25249 disclosed?
CVE-2019-25249 was first published in the National Vulnerability Database on December 24, 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-2019-25249 actively exploited?
CVE-2019-25249 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-25249?
CVE-2019-25249 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-25249?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-25249, 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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