Security readout for executives and security teams
Certain Cisco Linksys WRT54G/WRT54GS routers accepted UPnP port-forwarding requests from the internet-facing side. An attacker could create unwanted inbound port mappings, potentially exposing internal devices or services that the router should have shielded. Exposure is limited to the named legacy WRT54G and WRT54GS models running firmware earlier than the versions listed in the CVE description, especially where UPnP IGD is reachable from the WAN interface. Prioritize remediation where these routers still protect business networks or remote sites. The issue can undermine firewall assumptions by exposing internal services through unauthorized port mappings, but evidence of active exploitation is not present in the supplied sources. Mitigation focus: Upgrade WRT54G firmware to 4.30.5 or later where applicable.; Upgrade WRT54GS v1-v3 firmware to 4.71.1 or later.; Upgrade WRT54GS v4 firmware to 1.06.1 or later..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2011-4499 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.