CVE-2026-1740
CVE-2026-1740 is a high-severity vulnerability in Iptime A8004t Firmware with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 7.5
- CVSS v4: 5.5
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-5126
- Weakness: CWE-287
- Affected product: Iptime A8004t Firmware
- Published:
- Last modified:
Description
A vulnerability was found in EFM ipTIME A8004T 14.18.2. This impacts the function httpcon_check_session_url of the file /cgi/timepro.cgi of the component Hidden Hiddenloginsetup Interface. The manipulation results in improper authentication. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2026-1740?
- A vulnerability was found in EFM ipTIME A8004T 14.18.2. This impacts the function httpcon_check_session_url of the file /cgi/timepro.cgi of the component Hidden Hiddenloginsetup Interface. The manipulation results in improper authentication. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2026-1740?
- CVE-2026-1740 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-1740 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-1740?
- CVE-2026-1740 affects Iptime A8004t Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-1740?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-1740 have an EU (EUVD) identifier?
- Yes. CVE-2026-1740 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5126.
- When was CVE-2026-1740 published?
- CVE-2026-1740 was published on 2026-02-02 and last updated on 2026-06-17.
References
- https://github.com/LX-LX88/cve/issues/27
- https://vuldb.com/?ctiid.343639
- https://vuldb.com/?id.343639
- https://vuldb.com/?submit.741422
Affected products (1)
- cpe:2.3:o:iptime:a8004t_firmware:14.18.2:*:*:*:*:*:*:*
More vulnerabilities in Iptime A8004t Firmware
- CVE-2025-55423 — Critical (CVSS 9.8): A command injection vulnerability exists in the upnp_relay() function in multiple ipTIME router models because the…
- CVE-2026-1741 — Medium (CVSS 6.6): A vulnerability was determined in EFM ipTIME A8004T 14.18.2. Affected is the function httpcon_check_session_url of the…
- CVE-2026-1742 — Medium (CVSS 4.7): A vulnerability was identified in EFM ipTIME A8004T 14.18.2. Affected by this vulnerability is the function…
All CVEs affecting Iptime A8004t Firmware →
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
- CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
Browse all CWE-287 (Improper Authentication) vulnerabilities →