CVE-2025-20174 describes a denial-of-service (DoS) vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software, stemming from improper error handling during SNMP request parsing. An authenticated, remote attacker can exploit this by sending a crafted SNMP request, causing the device to reload unexpectedly. This vulnerability is rated HIGH with a CVSS score of 7.7, indicating a network attack vector, low attack complexity, and high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
15.2\(1\)syCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.2\(1\)sy:*:*:*:*:*:*:* | ||
15.2\(1\)sy0aCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.2\(1\)sy0a:*:*:*:*:*:*:* | ||
15.2\(1\)sy1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.2\(1\)sy1:*:*:*:*:*:*:* | ||
15.2\(1\)sy1aCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.2\(1\)sy1a:*:*:*:*:*:*:* | ||
15.2\(1\)sy2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.2\(1\)sy2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
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