CVE-2025-9528

CVE-2025-9528 is a medium-severity vulnerability in Linksys E1700 Firmware with a CVSS 3.x base score of 4.7. Its EPSS exploit-prediction score of 50% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

• Severity: Medium (CVSS 3.x base score 4.7)
• CVSS v2: 5.8
• CVSS v4: 2.0
• EPSS exploit prediction: 50% (99th percentile)
• Actively exploited: Not listed in CISA KEV
• EU (EUVD) id: EUVD-2025-28866
• Weakness: CWE-77
• Affected product: Linksys E1700 Firmware
• Published: 2025-08-27
• Last modified: 2026-06-17

Description

A vulnerability was determined in Linksys E1700 1.0.0.4.003. This vulnerability affects the function systemCommand of the file /goform/systemCommand. Executing manipulation of the argument command can lead to os command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-9528?

A vulnerability was determined in Linksys E1700 1.0.0.4.003. This vulnerability affects the function systemCommand of the file /goform/systemCommand. Executing manipulation of the argument command can lead to os command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

How severe is CVE-2025-9528?

CVE-2025-9528 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-9528 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 50% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-9528?

CVE-2025-9528 affects Linksys E1700 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-9528?

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

Does CVE-2025-9528 have an EU (EUVD) identifier?

Yes. CVE-2025-9528 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28866.

When was CVE-2025-9528 published?

CVE-2025-9528 was published on 2025-08-27 and last updated on 2026-06-17.

References

• https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_61/61.md
• https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_61/61.md#poc
• https://vuldb.com/?ctiid.321545
• https://vuldb.com/?id.321545
• https://vuldb.com/?submit.634827
• https://www.linksys.com/

Affected products (1)

• cpe:2.3:o:linksys:e1700_firmware:1.0.0.4.003:*:*:*:*:*:*:*

More vulnerabilities in Linksys E1700 Firmware

• CVE-2025-9527 — High (CVSS 8.8): A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function QoSSetup of the file…
• CVE-2025-9526 — High (CVSS 8.8): A vulnerability has been found in Linksys E1700 1.0.0.4.003. Affected by this issue is the function setSysAdm of the…
• CVE-2025-9525 — High (CVSS 8.8): A flaw has been found in Linksys E1700 1.0.0.4.003. Affected by this vulnerability is the function setWan of the file…
• CVE-2024-22544 — High (CVSS 8.0): An issue was discovered in Linksys Router E1700 version 1.0.04 (build 3), allows authenticated attackers to execute…
• CVE-2024-22543 — Medium (CVSS 6.1): An issue was discovered in Linksys Router E1700 1.0.04 (build 3), allows authenticated attackers to escalate privileges…

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