Is CVE-2026-41923 actively exploited?

No active exploitation of CVE-2026-41923 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-41923 be exploited remotely?

Yes. CVE-2026-41923 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-41923?

CVE-2026-41923 has a CVSS score of 9.3 (CRITICAL).

HOME VULNERABILITIESCVE-2026-41923

CRITICAL

CVE-2026-41923

CWE-78Published: May 4, 2026· Updated: May 5, 2026

9.3

CVSS v3.1

EPSS:0.50%probability of exploitation in 30 daysPercentile:66.1th

Official Description

WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the internet.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the gateway POST parameter. Attackers can exploit unsanitized parameter concatenation in the set_add_routing function to inject shell commands that are executed via popen() with partial output reflected in the HTTP response.

NVD Source

Technical Analysis

CVE-2026-41923 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X