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CVE-2020-13117

77
FAUCET Score

CVE-2020-13117 is a critical command injection vulnerability affecting Wavlink WN575A4, WN579X3, and WN530G3A devices. Unauthenticated remote attackers can inject commands through the 'key' parameter during a login request. With a CVSS score of 9.8, this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity. While not listed in CISA KEV, exploit intelligence indicates available Nuclei templates and significant community discussion, suggesting a high likelihood of exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2020-05-15CPE matchmatch criteria
cpe:2.3:o:wavlink:wn575a4_firmware:*:*:*:*:*:*:*:*
<= 2020-05-15CPE matchmatch criteria
cpe:2.3:o:wavlink:wn579x3_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
68.79%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2020-13117 · Jul 23, 2021
This CVE's current EPSS score of 0.6879 is in the 97th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.0xlabs.com / 2021/02/wavlink-rce-CVE-2020-13117.html
ExploitThird Party Advisory
github.com / ice-wzl/Wavlink-WN530G3A-Cmd-Injection/blob/main/README.md