How severe is CVE-2026-0408?

CVE-2026-0408 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-0408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0408?

CVE-2026-0408 primarily affects Netgear Ex2800 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-0408?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-0408 have an EU (EUVD) identifier?

Yes. CVE-2026-0408 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2218.

When was CVE-2026-0408 published?

CVE-2026-0408 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-0408

CVE-2026-0408 is a high-severity vulnerability in Netgear Ex2800 Firmware with a CVSS 3.x base score of 8.0. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v4: 6.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2218
Weakness: CWE-287
Affected product: Netgear Ex2800 Firmware
Published: 2026-01-13
Last modified: 2026-06-17

Description

A path traversal vulnerability in NETGEAR WiFi range extenders allows an attacker with LAN authentication to access the router's IP and review the contents of the dynamically generated webproc file, which records the username and password submitted to the router GUI.

Frequently asked questions

What is CVE-2026-0408?: A path traversal vulnerability in NETGEAR WiFi range extenders allows an attacker with LAN authentication to access the router's IP and review the contents of the dynamically generated webproc file, which records the username and password submitted to the router GUI.
How severe is CVE-2026-0408?: CVE-2026-0408 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-0408 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0408?: CVE-2026-0408 primarily affects Netgear Ex2800 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-0408?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-0408 have an EU (EUVD) identifier?: Yes. CVE-2026-0408 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2218.
When was CVE-2026-0408 published?: CVE-2026-0408 was published on 2026-01-13 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:netgear:ex2800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex3110_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex5000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex6110_firmware:*:*:*:*:*:*:*:*

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