lwIP (Lightweight IP)
View CSAF Summary Successful exploitation of this vulnerability could result in a system crash, a DoS, or memory corruption, which could lead to code execution on the victim system. The following versions of lwIP (Lightweight IP) are affected: API >=2.0.1|<=2.2.1 (CVE-2026-91018) CVSS Vendor Equipment Vulnerabilities v3 8.8 lwIP lwIP (Lightweight IP) Double Free Background Critical Infrastructure…
Excerpt from the primary source: CISA Cybersecurity Advisories
Who is affected
Developers · Critical infrastructure
What you should do · Mitigate
No complete fix is indicated yet. Apply the vendor's recommended workarounds for the affected products, limit exposure (for example, restrict internet access to management interfaces) and watch for a patch.
Automated guidance based on this story's classification. Check the linked advisories for specifics.
Sources
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Government advisory
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