Is CVE-2025-63456 in the CISA KEV catalog?

No. CVE-2025-63456 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-63456?

CVE-2025-63456 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2025-63456?

CVE-2025-63456 has an EPSS score of 0.34% (26th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-63456

HIGH

7.5

CVSS v3

NVD

Description

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the time parameter in the SetSysTimeCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

CWE-787Out-of-bounds Write CWE-121

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.34%probability of exploitation in 30 days

26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1803/3/1.md

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-18.