Skip to main content
Mallory
Back to vulnerabilities
Critical

Command Injection in Hytec Inter HWL-2511-SS popen.cgi

IdentifiersCVE-2022-36553CWE-78

CVE-2022-36553 is a command injection vulnerability affecting Hytec Inter HWL-2511-SS devices version 1.05 and below. The flaw is present in the /www/cgi-bin/popen.cgi component. Based on the provided context, an authenticated attacker can supply crafted input to this CGI endpoint and cause arbitrary operating system commands to be executed by the device.

Share:
For your environment

Are you exposed to this one?

Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.

Start free trial
ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows arbitrary command execution on the affected device. This can enable full compromise of the appliance, including modification of system state, deployment of malware or botnet payloads, disruption of device operation, and use of the device as a foothold for further activity.

Mitigation

If you can’t patch tonight, do this now.

Restrict management and web interface access to trusted administrative networks only, disable external internet exposure of the device, enforce strong authentication for administrative access, and use network filtering or reverse-proxy controls to block requests to /www/cgi-bin/popen.cgi where operationally feasible. Continuous monitoring for suspicious command execution and unexpected outbound connections is also advisable.

Remediation

Patch, then assume compromise.

Upgrade Hytec Inter HWL-2511-SS devices to a fixed version newer than 1.05 if a vendor patch is available. If no patched release is currently available, obtain vendor guidance and remove or restrict access to the vulnerable CGI component until remediation can be applied.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
HytecHwl-2511-Ss Firmwareoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Start free trial
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware2

Malware families riding this exploit, with evidence and IOCs.

Detection signatures1

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2022-36553
NVD
nvd.nist.gov/vuln/detail/CVE-2022-36553
MITRE CWE · CWE-78
cwe.mitre.org
Vendor Advisory
hytec.co.jp/eng/products/our-brand/hwl-2511-ss.html
Vendor Advisory
hytec.co.jp/eng/wordpress/wp-content/uploads/2019/09/hwl-2511-ss-ds.3.0.pdf