CVE-2026-1668 Input Validation Vulnerability on Multiple Omada Switches
Unauthenticated attackers can trigger memory corruption via crafted requests to the web interface, potentially leading to remote code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1668?
CVE-2026-1668 is a high-severity memory corruption vulnerability in TP-Link Systems Inc. SG2005P-PD 1.x, published on 13 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The web interface on multiple Omada switches does not adequately validate certain external inputs, which may lead to out-of-bound memory access when processing crafted requests. Under specific conditions, this flaw may result in unintended command execution.<br>An unauthenticated attacker with network access to the affected interface may cause memory corruption, service instability, or information disclosure. Successful exploitation may allow remote code execution or denial-of-service.
Which versions are affected by CVE-2026-1668?
It affects 39 products.
Products include Tp-Link Omada Sg2005p-Pd Firmware, Tp-Link Omada Sg2008 Firmware, Tp-Link Omada Sg2008p Firmware, Tp-Link Omada Sg2016p Firmware, Tp-Link Omada Sg2210mp Firmware, Tp-Link Omada Sg2210p Firmware and 33 more.
How do I fix CVE-2026-1668?
No fix has been published for CVE-2026-1668 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-1668 being exploited?
There is no known exploitation of CVE-2026-1668 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-fmw5-jxp8-6hq3.