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Vulnerability Intelligence

CVE-2022-36553

CriticalExploited

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.

Published Aug 29, 2022 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2022-36553 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Hwl-2511-Ss Firmware (Hytec).
  • It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Aug 29, 2022. No public exploit code is known.
  • EPSS estimates a 91% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Hwl-2511-Ss Firmware <=1.05, Hwl-2511-Ss Firmware 1.05.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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)

91%

Higher than 99.8% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

None known

Get the full CVE-2022-36553 brief as a PDF

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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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedJan 21, 2024n/aNot reported
CIRCL KEVAug 29, 2022n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Hwl-2511-Ss FirmwareHytecSee advisory1.05

Patched Releases

Hwl-2511-Ss Firmware

<=1.05

Timeline

  1. Publicly disclosed

    Aug 29, 2022

  2. Added to CIRCL KEV

    Aug 29, 2022

  3. Added to Industry KEV feed

    Jan 21, 2024

  4. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

References

8 more references in the full CVE brief

FAQ

Common Questions.

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