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CVE-2025-5440

HIGHCVSS 8.8/10EPSS 8.05%

Last modified

CVE-2025-5440 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 8.05% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

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

CVSS 4.0
5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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

EPSS Probability
8.05%

94.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinksysRe9000 Firmware1.0.04.002
LinksysRe6250 Firmware1.0.04.001
LinksysRe6300 Firmware1.2.07.001
LinksysRe6350 Firmware1.0.04.001
LinksysRe7000 Firmware1.1.05.003
LinksysRe6500 Firmware1.0.013.001

References

Timeline

Published
Last Modified
Status
Analyzed

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.
How severe is CVE-2025-5440?
CVE-2025-5440 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 8.05% probability of exploitation in the next 30 days.
How do I fix CVE-2025-5440?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST