CVE-2023-25646

CVE-2023-25646 is a high-severity vulnerability in Zte Zxhn H388x Firmware with a CVSS 3.x base score of 7.1. 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-281.

Key facts

Description

There is an unauthorized access vulnerability in ZTE H388X. If H388X is caused by brute-force serial port cracking,attackers with common user permissions can use this vulnerability to obtain elevated permissions on the affected device by performing specific operations.

Frequently asked questions

What is CVE-2023-25646?
There is an unauthorized access vulnerability in ZTE H388X. If H388X is caused by brute-force serial port cracking,attackers with common user permissions can use this vulnerability to obtain elevated permissions on the affected device by performing specific operations.
How severe is CVE-2023-25646?
CVE-2023-25646 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-25646 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25646?
CVE-2023-25646 affects Zte Zxhn H388x Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-25646?
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-2023-25646 have an EU (EUVD) identifier?
Yes. CVE-2023-25646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-29585.
When was CVE-2023-25646 published?
CVE-2023-25646 was published on 2024-06-20 and last updated on 2026-06-17.

References

Affected products (1)

Other CWE-281 (Improper Preservation of Permissions) vulnerabilities

Browse all CWE-281 (Improper Preservation of Permissions) vulnerabilities →