CVE-2022-2488WN535K2 OS Command Injection
The manipulation of the argument IP leads to os command injection.
Published Jul 20, 2022 · Updated Apr 15, 2025
Key Facts
Patch immediately- CVE-2022-2488 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Wl-Wn535k2 Firmware (Wavlink), Wl-Wn535k3 Firmware (Wavlink), WN535K2 and 1 more product.
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023. A public exploit is reported by tracking sources, but no code link is listed yet.
- EPSS estimates a 33% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
33%
Higher than 98.3% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
39/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Oct 14, 2023
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
10
Reports of active use
Advisories And Exploit References
- advisoryhttps://vuldb.com/?id.204539
Description
A vulnerability was found in WAVLINK WN535K2 and WN535K3 and classified as critical. This issue affects some unknown processing of the file /cgi-bin/touchlist_sync.cgi. The manipulation of the argument IP leads to os command injection. The exploit has been disclosed to the public and may be used.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Oct 14, 2023 | n/a | Not reported |
| Industry KEV feed | Oct 14, 2023 | n/a | Not reported |
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Wl-Wn535k2 FirmwareWavlink | See advisory | n/a |
| Wl-Wn535k3 FirmwareWavlink | See advisory | n/a |
| WN535K2 | >= n/a | n/a |
| WN535K3 | >= n/a | n/a |
Timeline
Publicly disclosed
Jul 20, 2022
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Oct 14, 2023
Last updated
Apr 15, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryvuldb.com
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
A vulnerability was found in WAVLINK WN535K2 and WN535K3 and classified as critical.
Affected: Wl-Wn535k2 Firmware (Wavlink); Wl-Wn535k3 Firmware (Wavlink); WN535K2 versions >= n/a, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
A public exploit is reported by tracking sources, but no code link is listed yet.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2022-2488 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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