CVE-2026-19977

CRITICAL 10.0

EFM ipTIME A3004T Session Validation httpcon_check_session_url improper authentication

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function httpcon_check_session_url of the component Session Validation. Performing a manipulation results in improper authentication. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-287
Vendor	efm
Product	iptime a3004t
Published	Aug 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

EFM / ipTIME A3004T

14.19.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/391156 vuldb.com: https://vuldb.com/vuln/391156/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19977 vuldb.com: https://vuldb.com/submit/873848 github.com: https://github.com/AdminSafe/CVE/issues/1

Credits

🔍 010hex (VulDB User) VulDB CNA Team