CVE-2026-19977
Critical
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.
SeverityCritical
CVSS10.0
Exploit probability—
ProductEfm Iptime
PublishedAug 17, 2026
First seenAug 17, 2026
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| efm iptime_a3004t | 14.19.0 | — |
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