How severe is CVE-2025-8828?

CVE-2025-8828 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-8828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8828?

CVE-2025-8828 primarily affects Linksys Re6250 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-8828?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8828 have an EU (EUVD) identifier?

Yes. CVE-2025-8828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24121.

When was CVE-2025-8828 published?

CVE-2025-8828 was published on 2025-08-11 and last updated on 2026-06-17.

CVE-2025-8828

CVE-2025-8828 is a medium-severity vulnerability in Linksys Re6250 Firmware with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24121
Weakness: CWE-77
Affected product: Linksys Re6250 Firmware
Published: 2025-08-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-8828?: 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.
How severe is CVE-2025-8828?: CVE-2025-8828 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-8828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8828?: CVE-2025-8828 primarily affects Linksys Re6250 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-8828?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8828 have an EU (EUVD) identifier?: Yes. CVE-2025-8828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24121.
When was CVE-2025-8828 published?: CVE-2025-8828 was published on 2025-08-11 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:linksys:re6250_firmware:1.0.04.001:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re6300_firmware:1.2.07.001:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re6350_firmware:1.0.04.001:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re7000_firmware:1.1.05.003:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re9000_firmware:1.0.04.002:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re6500_firmware:1.0.013.001:*:*:*:*:*:*:*

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