EFM ipTIME A3004T Session Validation httpcon_check_session_url improper authentication
Priority HIGH 82CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01333 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| EFM | ipTIME A3004T | 14.19.0 | — | No fix listed | CNA |
- ipTIME A3004T VendorEFM Affected 14.19.0 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:efm:iptime_a3004t:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:efm:iptime_a3004t:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19977
- 2026-10-03 Alias added: GHSA-6h4w-hx37-cqg3
References
More EFM vulnerabilities
- TI-2026-54364 EFM ipTIME T16000M Session Validation httpcon_check_session_url improper authentication CVSS 4.0CRITICAL 10.0
- TI-2026-54365 EFM ipTIME T24000M Session Validation httpcon_check_session_url improper authentication CVSS 4.0CRITICAL 9.3
- TI-2026-06893 EFM ipTIME NAS1dual misc_main.cgi get_csrf_whites stack-based overflow CVSS 4.0CRITICAL 9.3
- TI-2026-02176 EFM iptime A6004MX timepro.cgi commit_vpncli_file_upload unrestricted upload CVSS 4.0CRITICAL 9.3
- TI-2026-61742 EFM ipTIME C200E System Setup iux_set.cgi os command injection CVSS 4.0CRITICAL 9.4
- TI-2026-07255 EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-19977 · CVE Program
- CVE-2026-19977 · NVD
- FIRST EPSS
- GHSA-6h4w-hx37-cqg3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences