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CVE-2022-36553

87
FAUCET Score

CVE-2022-36553 is a critical command injection vulnerability affecting Hytec Inter HWL-2511-SS devices running firmware version 1.05 and below, specifically within the /www/cgi-bin/popen.cgi component. This vulnerability carries a CVSS score of 9.8, indicating a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not currently listed in CISA's KEV catalog, exploit intelligence shows the existence of Nuclei templates for remote code execution, and it has garnered significant community discussion with 10 mentions, suggesting active interest and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.05CPE matchmatch criteria
cpe:2.3:o:hytec:hwl-2511-ss_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
90.80%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2022-36553 · Oct 25, 2023
This CVE's current EPSS score of 0.9080 is in the 99th percentile among its peer group of 36,897 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

gist.github.com / Nwqda/b27418ab801eb0b9cdbe8d042cb0249b
Broken Link
hytec.co.jp / eng/products/our-brand/hwl-2511-ss.html
ProductVendor Advisory
hytec.co.jp / eng/wordpress/wp-content/uploads/2019/09/hwl-2511-ss-ds.3.0.pdf
Vendor Advisory