CVE-2026-0784

8.8 HIGH

📋 TL;DR

This vulnerability allows authenticated remote attackers to execute arbitrary system commands on ALGO 8180 IP Audio Alerter devices via command injection in the web UI. Attackers can gain full control of affected devices, potentially compromising the entire audio alerting system. Organizations using ALGO 8180 devices with web UI access are affected.

💻 Affected Systems

Products:
  • ALGO 8180 IP Audio Alerter
Versions: All versions prior to patch
Operating Systems: Embedded Linux
Default Config Vulnerable: ⚠️ Yes
Notes: Requires web UI access with authentication credentials

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete device takeover leading to network pivoting, data exfiltration, or disabling critical audio alerting systems during emergencies.

🟠

Likely Case

Unauthorized access to device configuration, installation of backdoors, or disruption of audio alerting functionality.

🟢

If Mitigated

Limited impact due to network segmentation and strong authentication controls preventing exploitation.

🌐 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

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor advisory for specific version

Vendor Advisory: https://www.zerodayinitiative.com/advisories/ZDI-26-006/

Restart Required: Yes

Instructions:

1. Check vendor website for firmware update 2. Download latest firmware 3. Backup configuration 4. Apply firmware update via web UI 5. Reboot device 6. Verify update applied

🔧 Temporary Workarounds

Network Segmentation

all

Isolate ALGO 8180 devices from untrusted networks

Access Control

linux

Restrict web UI access to trusted IP addresses only

iptables -A INPUT -p tcp --dport 80 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP

🧯 If You Can't Patch

  • Disable web UI access entirely if not required for operations
  • Implement strict authentication policies and monitor for suspicious login attempts

🔍 How to Verify

Check if Vulnerable:

Check device firmware version against vendor advisory

Check Version:

Check web UI System Information page or vendor documentation

Verify Fix Applied:

Verify firmware version matches patched version from vendor

📡 Detection & Monitoring

Log Indicators:

  • Unusual command execution patterns in system logs
  • Multiple failed authentication attempts followed by successful login
  • Web UI access from unexpected IP addresses

Network Indicators:

  • Unusual outbound connections from ALGO 8180 devices
  • Traffic to known malicious IPs or domains

SIEM Query:

source="algo-8180" AND (event="command_execution" OR event="system_call")

🔗 References

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