Is CVE-2025-49809 in the CISA KEV catalog?

No. CVE-2025-49809 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-49809?

CVE-2025-49809 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2025-49809?

CVE-2025-49809 has an EPSS score of 0.14% (4th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-49809?

Upgrade mtr on debian unstable to 0.96-1 or later.

CVE & CISA-KEV Catalog

CVE-2025-49809

HIGH

7.8

CVSS v3

NVD

Description

mtr through 0.95, in certain privileged contexts, mishandles execution of a program specified by the MTR_PACKET environment variable. NOTE: mtr on macOS may often have Sudo rules, as an indirect consequence of Homebrew not installing setuid binaries.

CWE-829

How to fix

Remediation Available

mtrDebian

Fixed in:0.96-1CVE-2025-49809

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.14%probability of exploitation in 30 days

4thpercentile

Low risk: more likely to be exploited than 4% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-829 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-17246	Critical	9.8	82%	-	Fix
CVE-2024-5762	High	8.1	72%	-	-
CVE-2018-7422	High	7.5	63%	-	-
CVE-2023-2249	High	8.8	61%	-	-
CVE-2025-32463	Critical	9.3	47%	KEV	Fix
CVE-2024-38476	Critical	9.8	42%	-	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 2025-07-08.