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...
- Published
- Mar 13, 2026
- Updated
- Mar 23, 2026
- Assigning CNA
- mitre
- Evidence observed
- May 7, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 97.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
8Proof-of-concept exploit for a pre-authentication buffer overflow in GNU InetUtils telnetd (CVE-2026-32746), including a Docker lab environment and detection script for authorized security testing.
- telnet_scanExploit
scanner/exploiter CVE-2026-24061 & CVE-2026-32746
CVE-2026-32746 - GNU InetUtils telnetd LINEMODE SLC Buffer Overflow PoC (pre-auth RCE, CVSS 9.8)
Responsible use
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