Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-1548

23
FAUCET Score

CVE-2021-1548 describes multiple command injection vulnerabilities in the web-based management interface of Cisco Small Business 100, 300, and 500 Series Wireless Access Points. These flaws, stemming from improper input validation, allow an authenticated, remote attacker to execute arbitrary commands with root privileges by sending crafted HTTP requests. Rated High severity (CVSS 7.2), exploitation requires valid administrative credentials. There is currently no evidence of active exploitation, public 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

4.7MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.2
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
72.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 67th percentile among its peer group of 5,531 CVEs.

Social Chatter

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

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-inject-Mp9FSdG
Vendor Advisory