How severe is CVE-2025-20186?

CVE-2025-20186 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-20186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20186?

CVE-2025-20186 primarily affects Cisco Ios Xe. In total, 76 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-20186?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-20186 have an EU (EUVD) identifier?

Yes. CVE-2025-20186 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13897.

When was CVE-2025-20186 published?

CVE-2025-20186 was published on 2025-05-07 and last updated on 2026-06-17.

CVE-2025-20186

CVE-2025-20186 is a high-severity vulnerability in Cisco Ios Xe with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13897
Weakness: CWE-78
Affected product: Cisco Ios Xe
Published: 2025-05-07
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of the Wireless LAN Controller feature of Cisco IOS XE Software could allow an authenticated, remote attacker with a lobby ambassador user account to perform a command injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary Cisco IOS XE Software CLI commands with privilege level 15. Note: This vulnerability is exploitable only if the attacker obtains the credentials for a lobby ambassador account. This account is not configured by default.

Frequently asked questions

What is CVE-2025-20186?: A vulnerability in the web-based management interface of the Wireless LAN Controller feature of Cisco IOS XE Software could allow an authenticated, remote attacker with a lobby ambassador user account to perform a command injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary Cisco IOS XE Software CLI commands with privilege level 15. Note: This vulnerability is exploitable only if the attacker obtains the credentials for a lobby ambassador account. This account is not configured by default.
How severe is CVE-2025-20186?: CVE-2025-20186 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-20186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20186?: CVE-2025-20186 primarily affects Cisco Ios Xe. In total, 76 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-20186?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-20186 have an EU (EUVD) identifier?: Yes. CVE-2025-20186 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13897.
When was CVE-2025-20186 published?: CVE-2025-20186 was published on 2025-05-07 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-cmdinj-gVn3OKNC

Affected products (76)

cpe:2.3:o:cisco:ios_xe:16.12.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.4a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.6a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.2.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.2.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.2a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.4a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.4c:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.5a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.5b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.8a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.4.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.4.1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.5.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1y:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.3a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.5a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.6:*:*:*:*:*:*:*

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