CVE-2011-4499
What it is
The UPnP IGD implementation in the Broadcom UPnP stack on the Cisco Linksys WRT54G with firmware before 4.30.5, WRT54GS v1 through v3 with firmware before 4.71.1, and WRT54GS v4 with firmware before 1.06.1 allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface, related to an "external forwarding" vulnerability.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 1.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.3% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 1.3% · EPSS, next 30 days
- Weakness
- CWE-16
- Record status
- Modified
Affected
- Cisco Linksys wrt54g Router Firmware ≤ 4.20.8
- Cisco Linksys wrt54g Router Firmware 3.03.9
- Cisco Linksys wrt54g Router Firmware 4.20.7
- Linksys wrt54g
- Linksys wrt54g 2.2
- Cisco Linksys wrt54gs Router Firmware ≤ 4.70.6
- Cisco Linksys wrt54gs Router Firmware 2.09.1
- Linksys wrt54gs 1.0
Attack profile CVSS 2.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-4499.md and follow it. Check whether this project is affected by CVE-2011-4499. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
