CVE-2026-19977

EFM ipTIME A3004T Session Validation httpcon_check_session_url improper authentication

Published Aug 17, 2026 CVSS 4.0 · 10 Critical EPSS 1.3% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Iptime
Iptime a3004t
Vendors & Products Iptime
Iptime a3004t
Type Values Removed Values Added
Description 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.
Title EFM ipTIME A3004T Session Validation httpcon_check_session_url improper authentication
First Time appeared Efm
Efm iptime A3004t
Weaknesses CWE-287
CPEs cpe:2.3:a:efm:iptime_a3004t:*:*:*:*:*:*:*:*
Vendors & Products Efm
Efm iptime A3004t
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 10, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 10, 'vector': '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'}

cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Aug 18, 2026, 2:18 PM
Reserved
Aug 16, 2026, 12:06 PM
Status
Deferred
Published
Aug 17, 2026, 3:16 AM
Modified
Aug 20, 2026, 12:48 PM