CVE-2026-32746
CRITICALCVSS 9.8/10EPSS 23.67%
Last modified
CVE-2026-32746 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.. EPSS estimates a 23.67% chance of exploitation in the next 30 days.
Description
telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Inetutils | <= 2.7 |
References
- https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.htmlExploit, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2026/03/12/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/03/14/1Mailing List, Third Party Advisory
- https://github.com/watchtowrlabs/watchtowr-vs-telnetd-CVE-2026-32746Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-32746?
telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.
How severe is CVE-2026-32746?
CVE-2026-32746 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 23.67% probability of exploitation in the next 30 days.
How do I fix CVE-2026-32746?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-32746?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST