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CVE-2022-30489· NVD / CVE Program· CNA mitre

WAVLINK WN535 G3 was discovered to contain a cross-site scripting (XSS) vulnerability via the hostname parameter at /cgi-bin/login.cgi.

MediumCVSS 6.1 · v3.1—Proof of concept No fix recorded
Published
May 13, 2022
Updated
Jun 17, 2026
EPSS
4.2% · 91th percentile
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Report tools

JSON

Action score

25

Monitor

Low priority for now.

CVSS
24 / 40 · 6.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 4.2%

Affected systems

VendorProduct
wavlinkwn535g3 firmware
wavlinkwn535g3

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • wavlink wn535g3 firmwareall versions

Same product

wavlink: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-34577A vulnerability in adm.cgi of WAVLINK WN535 G3 M35G3R.V5030.180927 allows attackers to execute arbitrary code via a crafted POST request.
    40Plan
  • CVE-2022-31845A vulnerability in live_check.shtml of WAVLINK WN535 G3 M35G3R.V5030.180927 allows attackers to obtain sensitive router information via exec
    33Monitor
  • CVE-2022-31846A vulnerability in live_mfg.shtml of WAVLINK WN535 G3 M35G3R.V5030.180927 allows attackers to obtain sensitive router information via execut
    32Monitor
  • CVE-2022-34576A vulnerability in /cgi-bin/ExportAllSettings.sh of WAVLINK WN535 G3 M35G3R.V5030.180927 allows attackers to execute arbitrary code via a cr
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Nuclei detection template ×3
  • Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Nuclei detection templateNuclei template CVE-2022-30489 —
Nuclei detection templateNuclei template CVE-2022-31845 —
Nuclei detection templateNuclei template CVE-2022-31846 —
Proof-of-concept repository on GitHubstars:22022-05-06

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. First PoC-7 d
  2. Published
  3. TodaySep 30, 2026+1601 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

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

nvd-primary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

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