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CVE-2022-2487

83
FAUCET Score

CVE-2022-2487 is a critical OS command injection vulnerability affecting WAVLINK WN535K2 and WN535K3 routers. An unauthenticated attacker can exploit this by manipulating the 'start_hour' argument in the /cgi-bin/nightled.cgi file. With a CVSS score of 9.8, this vulnerability allows for complete compromise of confidentiality, integrity, and availability. While not yet observed in active exploitation, public exploit code exists, and a Nuclei template is available, indicating a high potential for future attacks. Despite its severity, there is currently minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:wavlink:wl-wn535k2_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:wavlink:wl-wn535k3_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.0HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
79.51%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Nuclei: CVE-2022-2487 · Jul 21, 2022
This CVE's current EPSS score of 0.7951 is in the 98th percentile among its peer group of 36,833 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

github.com / 1angx/webray.com.cn/blob/main/Wavlink/Wavlink%20nightled.cgi%20.md
ExploitThird Party Advisory
vuldb.com
ExploitThird Party AdvisoryVDB Entry