CVE-2026-0785

8.8 HIGH

📋 TL;DR

CVE-2026-0785 is a command injection vulnerability in ALGO 8180 IP Audio Alerter devices that allows authenticated remote attackers to execute arbitrary system commands. This affects organizations using these devices for emergency notification systems, potentially allowing attackers to take full control of affected devices.

💻 Affected Systems

Products:
  • ALGO 8180 IP Audio Alerter
Versions: All versions prior to patch
Operating Systems: Embedded Linux
Default Config Vulnerable: ⚠️ Yes
Notes: Requires API authentication, but default credentials may be in use. Devices are typically deployed in industrial, healthcare, and educational environments.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete device compromise allowing attackers to install persistent backdoors, disrupt emergency notification systems, pivot to internal networks, or use devices as botnet nodes.

🟠

Likely Case

Attackers with valid credentials execute commands to disrupt audio alerting functionality, exfiltrate configuration data, or maintain persistence on the device.

🟢

If Mitigated

With proper network segmentation and strong authentication controls, impact is limited to the isolated device with no lateral movement.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Authentication required but command injection is straightforward once authenticated. ZDI advisory suggests exploit development is trivial.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor advisory for specific version

Vendor Advisory: https://www.zerodayinitiative.com/advisories/ZDI-26-007/

Restart Required: Yes

Instructions:

1. Contact ALGO for firmware update. 2. Download latest firmware. 3. Apply update via web interface. 4. Reboot device. 5. Verify update applied successfully.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate ALGO devices from internet and restrict internal access to management interfaces

Authentication Hardening

all

Change default credentials, implement strong password policies, and consider multi-factor authentication

🧯 If You Can't Patch

  • Implement strict network ACLs allowing only necessary IPs to access the API interface
  • Monitor API logs for unusual command patterns and implement rate limiting on API endpoints

🔍 How to Verify

Check if Vulnerable:

Check device firmware version against vendor advisory. Test API endpoints for command injection if authorized.

Check Version:

Check web interface System Information page or use API endpoint for version information

Verify Fix Applied:

Verify firmware version matches patched version from vendor. Test API with command injection payloads to confirm sanitization.

📡 Detection & Monitoring

Log Indicators:

  • Unusual API requests with shell metacharacters
  • Multiple failed authentication attempts followed by successful login
  • Commands in API parameters that don't match expected patterns

Network Indicators:

  • Unusual outbound connections from ALGO devices
  • API requests containing shell commands or special characters

SIEM Query:

source="algo-device" AND (request CONTAINS "|" OR request CONTAINS ";" OR request CONTAINS "`" OR request CONTAINS "$")

🔗 References

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