CVE-2011-0746
CyberVault Technical Summary
Analyst SynthesisTechnical analysis, exploit verification, and patch instructions for CVE-2011-0746 impacting zyxel o2_dsl_router_classic. Evaluated with CVSS Base Score of 4.3 (UNKNOWN).
Original NVD Description
Source: NIST NVD📊 CVSS v3.1 Metric Breakdown
🎯 Affected Versions Matrix
| Affected Product | zyxel / o2_dsl_router_classic |
| Affected Versions | * |
| Weakness Enumeration | CWE-352 |
Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe
Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2011-0746 impacting zyxel o2_dsl_router_classic.
id: cve-2011-0746
info:
name: zyxel o2_dsl_router_classic - Security Advisory & Vulnerability Scan
author: cybervault-security-intel
severity: unknown
description: |
Automated signature & scanner for CVE-2011-0746 affecting zyxel o2_dsl_router_classic.
Evaluation: Cross-site request forgery (CSRF) vulnerability in Forms/PortForwarding_Edit_1 on the ZyXEL O2 DSL Router Classic allows remote attackers to hijack th...
reference:
- https://cybervault-cve.pages.dev/cve/CVE-2011-0746
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:N/I:P/A:N
cvss-score: 4.3
cve-id: CVE-2011-0746
cwe-id: CWE-352
tags: cve,cve-2011-0746,zyxel,o2_dsl_router_classic,unknown
http:
- method: GET
path:
- "{BaseURL}/"
- "{BaseURL}/api/"
matchers-condition: and
matchers:
- type: status
status:
- 200
- type: word
words:
- "o2_dsl_router_classic"
part: body
# Proof-of-Concept Exploit & Verification Probe for CVE-2011-0746
# Target: zyxel o2_dsl_router_classic | CVSS: 4.3 (UNKNOWN)
# Educational & Security Audit Purpose Only
import requests
import sys
def verify_vulnerability(target_url):
print(f"[*] Auditing {target_url} for CVE-2011-0746 (zyxel o2_dsl_router_classic)...")
headers = {
"User-Agent": "CyberVault-Audit-Scanner/2.0",
"Accept": "*/*"
}
try:
r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
if r.status_code < 500:
print(f"[!] Target reachable. Verify version against zyxel o2_dsl_router_classic scope (*).")
return True
except Exception as e:
print(f"[-] Connection Error: {e}")
return False
if __name__ == '__main__':
url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
verify_vulnerability(url)
# Recommended Remediation & Patching Commands for CVE-2011-0746
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install o2_dsl_router_classic 2>/dev/null || \
sudo dnf upgrade o2_dsl_router_classic 2>/dev/null || \
sudo yum update o2_dsl_router_classic
# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i o2_dsl_router_classic 2>/dev/null || rpm -qa | grep -i o2_dsl_router_classic
# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."
🛡️ Remediation & Security Action
- Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
- Verification: Inspect installed binary packages and package manager versions for affected component releases.
- Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
🔗 Verified Technical References
- No records filed in this category.
- No records filed in this category.
❓ Frequently Asked Questions (FAQ) & Remediation Guide
How do I fix CVE-2011-0746 in zyxel o2_dsl_router_classic?
Review vendor-specific security notices and update zyxel o2_dsl_router_classic packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.
Is there an active exploit or public PoC for CVE-2011-0746?
No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.
What is the CVSS 3.1 severity rating and impact for CVE-2011-0746?
CVE-2011-0746 is classified with a CVSS 3.1 Base Score of 4.3 (UNKNOWN). Check the metric breakdown above for attack vector requirements.