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CVE-2021-1400

28
FAUCET Score

CVE-2021-1400 describes multiple vulnerabilities in the web-based management interface of Cisco Small Business 100, 300, and 500 Series Wireless Access Points. With a CVSS score of 8.8 (High), an authenticated, remote attacker could exploit these flaws to obtain sensitive information or inject arbitrary commands. The attack vector is network-based with low complexity, and the potential impact includes high confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.3.1CPE matchmatch criteria
cpe:2.3:o:cisco:wap125_firmware:*:*:*:*:*:*:*:*
<= 1.0.2.17CPE matchmatch criteria
cpe:2.3:o:cisco:wap131_firmware:*:*:*:*:*:*:*:*
<= 1.1.2.4CPE matchmatch criteria
cpe:2.3:o:cisco:wap150_firmware:*:*:*:*:*:*:*:*
<= 1.0.2.17CPE matchmatch criteria
cpe:2.3:o:cisco:wap351_firmware:*:*:*:*:*:*:*:*
<= 1.1.2.4CPE matchmatch criteria
cpe:2.3:o:cisco:wap361_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.29%
Probability of exploitation in next 30 days
EPSS Percentile
67.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0129 is in the 64th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

jvn.jp / en/jp/JVN71263107/index.html
Third Party Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-multi-ZAfKGXhF
Vendor Advisory