PT-2026-26037 · Unknown · Telnet/Ssh Cli

Gabriele Quagliarella · Publicado 2026-03-18 · Atualizado 2026-03-18 · CVE-2026-22321

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Média

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions versions prior to 2026-22321

Description A stack-based buffer overflow exists in the device’s Telnet/SSH CLI login routine. An unauthenticated attacker sending an oversized or unexpected username input can trigger this issue. The overflow condition causes the thread handling the login attempt to crash, resulting in session closure. The impact is limited to a low-severity availability disruption, as other CLI sessions remain unaffected.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Enumeração de Fraquezas

CWE-121

Identificadores relacionados

CVE-2026-22321

Produtos afetados

Telnet/Ssh Cli

Referências · 5

• https://certvde.com/de/advisories/VDE-2025-104 · Nota
• https://twitter.com/CVEnew/status/2034365312112759017 · Publicação no Twitter
• https://twitter.com/VulmonFeeds/status/2034224640101359865 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-22321 · Nota de Segurança
• https://twitter.com/cyberbivash/status/2034190343978058139 · Publicação no Twitter