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Vulnerability record · CVE-2025-8828 · published 11 August 2025

CVE-2025-8828: Linksys re6250 firmware command injection vulnerability

Linksys · Re6250 Firmware

A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected is the function ipv6cmd of the file /goform/setIpv6. The manipulation of the argument Ipv6PriDns/Ipv6SecDns/Ipv6StaticGateway/LanIpv6Addr/LanPrefixLen/pppoeUser/pppoePass/pppoeIdleTime/pppoeRedialPeriod/Ipv6in4_PrefixLen/LocalIpv6/RemoteIpv4/LanIPv6_Prefix/LanPrefixLen/ipv6to4Relay/ipv6rdRelay/tunrd_PrefixLen/wan_UseLinkLocal/Ipv6StaticIp/Ipv6PrefixLen leads to os command injection. It is possible to launch 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.

2.1 CVSS 4.0 Low EPSS 6.8% · top 6.2% CWE-77 · Command injectionCWE-78 · OS command injection
2.1CVSS 4.0 base score, v2 6.5
6.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
8References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected is the function ipv6cmd of the file /goform/setIpv6. The manipulation of the argument Ipv6PriDns/Ipv6SecDns/Ipv6StaticGateway/LanIpv6Addr/LanPrefixLen/pppoeUser/pppoePass/pppoeIdleTime/pppoeRedialPeriod/Ipv6in4_PrefixLen/LocalIpv6/RemoteIpv4/LanIPv6_Prefix/LanPrefixLen/ipv6to4Relay/ipv6rdRelay/tunrd_PrefixLen/wan_UseLinkLocal/Ipv6StaticIp/Ipv6PrefixLen leads to os command injection. It is possible to launch 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.

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:P/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:

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_44/44.md ExploitThird Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_44/44.md#poc ExploitThird Party Advisory
https://vuldb.com/?ctiid.319362 Permissions RequiredVDB Entry
https://vuldb.com/?id.319362 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.626693 Third Party AdvisoryVDB Entry
https://www.linksys.com/ Product
https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_44/44.md ExploitThird Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_44/44.md#poc ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-8828), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.