How severe is CVE-2023-36499?

CVE-2023-36499 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-36499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36499?

CVE-2023-36499 affects Netgear Xr300 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36499?

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.

When was CVE-2023-36499 published?

CVE-2023-36499 was published on 2023-08-07 and last updated on 2026-06-17.

CVE-2023-36499

CVE-2023-36499 is a high-severity vulnerability in Netgear Xr300 Firmware with a CVSS 3.x base score of 8.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Netgear Xr300 Firmware
Published: 2023-08-07
Last modified: 2026-06-17

Description

Netgear XR300 v1.0.3.78 was discovered to contain multiple buffer overflows via the wla_ssid and wlg_ssid parameters at genie_ap_wifi_change.cgi.

Frequently asked questions

What is CVE-2023-36499?: Netgear XR300 v1.0.3.78 was discovered to contain multiple buffer overflows via the wla_ssid and wlg_ssid parameters at genie_ap_wifi_change.cgi.
How severe is CVE-2023-36499?: CVE-2023-36499 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-36499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36499?: CVE-2023-36499 affects Netgear Xr300 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36499?: 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.
When was CVE-2023-36499 published?: CVE-2023-36499 was published on 2023-08-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:netgear:xr300_firmware:1.0.3.78:*:*:*:*:*:*:*

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