Is CVE-2025-45797 in the CISA KEV catalog?

No. CVE-2025-45797 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-45797?

CVE-2025-45797 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2025-45797?

CVE-2025-45797 has an EPSS score of 12.88% (96th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-45797?

No published fix for CVE-2025-45797 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-45797

CRITICALEPSS 96th pctl

9.8

CVSS v3

NVD

Description

TOTOlink A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the NoticeUrl parameter in the setNoticeCfg interface of /lib/cste_modules/system.so.

CWE-787Out-of-bounds Write CWE-121Stack-based Buffer Overflow

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

12.88%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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 2025-05-16.