CVE-2026-19977

EFM ipTIME A3004T Session Validation httpcon_check_session_url improper authentication

CRITICAL 9.3EPSS 1.3%

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.

Affected: EFM · ipTIME A3004T
CVSS v4.0 VULDB: 9.3 CRITICALCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 VULDB: 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v2.0 VULDB: 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS: 1.33% chance of exploitation in the next 30 days, 71st percentile
Published: 2026-08-17
Updated: 2026-08-18

Proof-of-concept exploits (1)

AdminSafe/CVE/issues/10★ · 2026-07-01

CVE-2026-19977

Proof-of-concept exploits (1)

References

Related