CVE-2026-101075: Netcore NR289-GE OS command injection in location_time.cgi

CVE-2026-101075 · Severity: critical · CVSS 10 · Published 2026-09-28

Netcore NR289-GE is an SMB router and AC controller device. A critical vulnerability allows unauthenticated attackers to execute arbitrary commands on the device by injecting shell commands through the location_time.cgi interface, bypassing authentication mechanisms. An attacker can gain full control of the router and access sensitive data like network credentials and connected device information.

Technologies: Netcore NR289-GE. Vendors: Netcore.

Quick answers

Is CVE-2026-101075 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-101075 being exploited in the wild.
How severe is CVE-2026-101075?
Critical severity, with a CVSS score of 10, published 28 September 2026.
Which products and versions are affected?
Netcore NR289-GE 1.4.5102.
Is there a fix for CVE-2026-101075?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-101075 attacked?
It is attacked over the network.
Am I affected by CVE-2026-101075?
Check whether you run Netcore NR289-GE at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The location_time.cgi endpoint fails to sanitize the "mac" form parameter before passing it to a shell command executed via system(). The vulnerability is reachable without authentication due to a .ico whitelist bypass mechanism. Attack requires only that the first 6 bytes of the injected MAC address match an entry in the device's bound-AP list (normally present in standard operation), and the attacker can inject arbitrary shell commands using quote-closing and comment syntax.

Affected products

  • Netcore NR289-GE 1.4.5102

Timeline

  • 2026-09-28: disclosed: Vulnerability publicly disclosed on GitHub

References

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