How severe is CVE-2023-39550?

CVE-2023-39550 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-2023-39550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39550?

CVE-2023-39550 primarily affects Netgear Jwnr2000v2 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-39550?

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-2023-39550 published?

CVE-2023-39550 was published on 2023-08-07 and last updated on 2026-06-17.

CVE-2023-39550

CVE-2023-39550 is a high-severity vulnerability in Netgear Jwnr2000v2 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% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Netgear Jwnr2000v2 Firmware
Published: 2023-08-07
Last modified: 2026-06-17

Description

Netgear JWNR2000v2 v1.0.0.11, XWN5001 v0.4.1.1, and XAVN2001v2 v0.4.0.7 were discovered to contain multiple buffer overflows via the http_passwd and http_username parameters in the check_auth function.

Frequently asked questions

What is CVE-2023-39550?: Netgear JWNR2000v2 v1.0.0.11, XWN5001 v0.4.1.1, and XAVN2001v2 v0.4.0.7 were discovered to contain multiple buffer overflows via the http_passwd and http_username parameters in the check_auth function.
How severe is CVE-2023-39550?: CVE-2023-39550 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-2023-39550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39550?: CVE-2023-39550 primarily affects Netgear Jwnr2000v2 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-39550?: 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-2023-39550 published?: CVE-2023-39550 was published on 2023-08-07 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:netgear:jwnr2000v2_firmware:1.0.0.11:*:*:*:*:*:*:*
cpe:2.3:o:netgear:xwn5001_firmware:0.4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:netgear:xavn2001v2_firmware:0.4.0.7:*:*:*:*:*:*:*

More vulnerabilities in Netgear Jwnr2000v2 Firmware

CVE-2025-4120 — High (CVSS 8.8): A vulnerability was found in Netgear JWNR2000v2 1.0.0.11. It has been classified as critical. Affected is the function…
CVE-2023-38922 — High (CVSS 8.8): Netgear JWNR2000v2 v1.0.0.11, XWN5001 v0.4.1.1, and XAVN2001v2 v0.4.0.7 were discovered to contain multiple buffer…
CVE-2025-4122 — Medium (CVSS 6.3): A vulnerability was found in Netgear JWNR2000v2 1.0.0.11. It has been rated as critical. Affected by this issue is the…
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