CVE-2026-38709Disclosure

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

TR1200 v2.4.15, TR3000 v2.4.21, WR300 v2.4.25, WR1200 v2.4.23, WR1300 v2.4.22, WR1500 v2.3.10, WR3000 v2.4.19, WR3600 v2.3.16, and WR6500 v2.3.15 were discovered to contain a command injection vulnerability in the net.set_wan interface. This vulnerability allows attackers to execute arbitrary commands as root via a crafted input.

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0.0/ 10 priority

Sources & remediation

Other references

https://www.cudy.com/pages/security-advisory/cudy-sa-26-7-jezzy-4

Weakness type (CWE)

CWE-77

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Full discourse1 post

Upwind Security MDR@UpwindMDR91d
Disclosure
🚨Critical - Cudy Router net.set_wan Root Command Injection (CVE-2026-38709) Multiple Cudy router firmwares expose a command injection flaw in the net.set_wan interface where crafted WAN parameters are concatenated into OS commands without proper sanitization. Remote attackers can exploit this to execute arbitrary commands as root. 👉Affected: Cudy routers TR1200 v2.4.15, TR3000 v2.4.21, WR300 v2.4.25, WR1200 v2.4.23, WR1300 v2.4.22, WR1500 v2.3.10, WR3000 v2.4.19, WR3600 v2.3.16, WR6500 v2.3.15
Post summary
An announcement of a critical root command injection flaw in multiple Cudy router firmware versions, detailing how the vulnerability works and listing affected devices.
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