CVE-2025-5440: re6250 Command Injection — Exploit

Description

A vulnerability classified as critical has been found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. This affects the function NTP of the file /goform/NTP. The manipulation of the argument manual_year_select/manual_month_select/manual_day_select/manual_hour_select/manual_min_select/manual_sec_select leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-77 CWE-77

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
linksys	re9000_firmware	All
linksys	re9000	All
linksys	re6250_firmware	All
linksys	re6250	All
linksys	re6300_firmware	All
linksys	re6300	All
linksys	re6350_firmware	All
linksys	re6350	All
linksys	re7000_firmware	All
linksys	re7000	All
linksys	re6500_firmware	All
linksys	re6500	All

References

Exploits

https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_3/3.md

Other References

https://vuldb.com/?ctiid.310779 https://vuldb.com/?id.310779 https://vuldb.com/?submit.584362 https://www.linksys.com/

Frequently Asked Questions

What is CVE-2025-5440? +

A vulnerability classified as critical has been found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. This affects the function NTP of the file /goform/NTP. The manipulation of the argument manual_year_select/manual_month_select/manual_day_select/manual_hour_select/manual_min_select/manual_sec_select leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-5440? +

CVE-2025-5440 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-5440? +

CVE-2025-5440 affects products from linksys, specifically: re6250, re6250_firmware, re6300, re6300_firmware, re6350, re6350_firmware, re6500, re6500_firmware, re7000, re7000_firmware, re9000, re9000_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-5440? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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