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UK Cyber Defence
VulnerabilityAnalyzed

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.

EXPLOITCRITICAL 9.8EPSS 44.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 44.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
44.83% probability · 99th percentile
Public exploits
1 in Exploit-DB · first 7 May 2026
CISA KEV
Not listed
Weakness
CWE-120
Affected
gnu/inetutils
Source
cve@mitre.org
EPSS trend
0%23%45%24 September 2026: 2.45%25 October 2026: 44.10%30 October 2026: 44.83%24 September 202630 October 2026

EPSS moved from 2.4% on 24 September 2026 to 44.8% on 30 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-52556source ↗telnetd 2.7 - Buffer Overflowmultiple · jeffbarronremote7 May 2026no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.