Security readout for executives and security teams
This CVE describes a legacy Linksys router exposing a firewall administration interface to the internet when UPnP is enabled. If an affected WRT54GX is still deployed, an outside attacker may be able to change firewall behavior remotely. The source bundle does not provide CVSS, a named patch, or evidence of active exploitation. Likely exposure is limited to Cisco Linksys WRT54GX devices running firmware 2.00.05 with UPnP enabled and WAN-reachable SOAP service behavior. This is an old consumer router issue, so exposure depends on whether legacy hardware remains deployed at branch, lab, home-office, or unmanaged network edges. Treat as a targeted legacy-edge-device risk. It is not shown as actively exploited in the provided sources, but internet-exposed firewall administration is high impact. Prioritize discovery and removal from production or unmanaged environments before broader legacy router cleanup. Mitigation focus: Identify any deployed Cisco Linksys WRT54GX routers and confirm firmware version.; Disable UPnP where it is not explicitly required.; Restrict or remove WAN exposure of UPnP-related management services..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2011-4500 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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