How severe is CVE-2026-11736?

CVE-2026-11736 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-11736 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-11736?

CVE-2026-11736 primarily affects Netgear Rax20 Firmware. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-11736?

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

When was CVE-2026-11736 published?

CVE-2026-11736 was published on 2026-08-11 and last updated on 2026-09-09.

CVE-2026-11736

CVE-2026-11736 is a medium-severity vulnerability in Netgear Rax20 Firmware with a CVSS 3.x base score of 4.9. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v4: 1.9
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Netgear Rax20 Firmware
Published: 2026-08-11
Last modified: 2026-09-09

Description

A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.

Frequently asked questions

What is CVE-2026-11736?: A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.
How severe is CVE-2026-11736?: CVE-2026-11736 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-11736 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-11736?: CVE-2026-11736 primarily affects Netgear Rax20 Firmware. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-11736?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-11736 published?: CVE-2026-11736 was published on 2026-08-11 and last updated on 2026-09-09.

References

Affected products (19)

cpe:2.3:o:netgear:rax20_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax35v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax41_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax41v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax42_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax42v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax43v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax45_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax49s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax50s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax50v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax54sv2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax54v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:raxe450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:raxe500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:xr1000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:xr1000v2_firmware:*:*:*:*:*:*:*:*

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