CVE-2024-1655

8.8 HIGH

📋 TL;DR

CVE-2024-1655 is an OS command injection vulnerability in certain ASUS WiFi routers that allows authenticated remote attackers to execute arbitrary system commands via specially crafted requests. This affects users of vulnerable ASUS router models with web interface access. Attackers can gain full control of affected devices.

💻 Affected Systems

Products:
  • ASUS WiFi routers (specific models not detailed in provided references)
Versions: Unknown specific versions from provided references
Operating Systems: Router firmware
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access to web interface. Default credentials increase risk.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of router allowing attacker to intercept all network traffic, install persistent malware, pivot to internal network devices, and use router as botnet node.

🟠

Likely Case

Router takeover leading to DNS hijacking, credential theft from network traffic, and installation of cryptocurrency miners or backdoors.

🟢

If Mitigated

Limited impact if strong authentication, network segmentation, and proper access controls prevent attacker access to vulnerable interfaces.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access but command injection is typically straightforward once access is obtained.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown specific version from provided references

Vendor Advisory: https://www.twcert.org.tw/tw/cp-132-7737-1acd0-1.html

Restart Required: Yes

Instructions:

1. Check ASUS support site for your router model. 2. Download latest firmware. 3. Log into router web interface. 4. Navigate to firmware update section. 5. Upload and apply new firmware. 6. Reboot router.

🔧 Temporary Workarounds

Disable remote administration

all

Prevents external access to router web interface

Change default credentials

all

Use strong unique passwords for router admin account

🧯 If You Can't Patch

  • Isolate router on separate VLAN with strict firewall rules
  • Implement network monitoring for suspicious router traffic patterns

🔍 How to Verify

Check if Vulnerable:

Check router firmware version against ASUS security advisories

Check Version:

Log into router web interface and check firmware version in administration/system settings

Verify Fix Applied:

Verify firmware version matches patched version from ASUS advisory

📡 Detection & Monitoring

Log Indicators:

  • Unusual command execution in router logs
  • Multiple failed authentication attempts followed by successful login

Network Indicators:

  • Unexpected outbound connections from router
  • DNS queries to suspicious domains from router

SIEM Query:

source="router_logs" AND (command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*")

🔗 References

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