CVE-2025-49809 describes a vulnerability in mtr through version 0.95, where it improperly handles the MTR_PACKET environment variable in privileged contexts, potentially affecting macOS installations due to Homebrew's handling of setuid binaries. This vulnerability carries a CVSS score of 7.8 (High), indicating a local attack vector with high impact on confidentiality, integrity, and availability, though with high attack complexity. Currently, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0, <= 0.95CPE match | cpe:2.3:a:mtr:mtr:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.
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.
Jul 8, 2025mtr: From CVEorg collector
Jul 4, 2025