How severe is CVE-2026-11730?

CVE-2026-11730 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-11730 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-11730?

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

When was CVE-2026-11730 published?

CVE-2026-11730 was published on 2026-10-13 and last updated on 2026-10-19.

CVE-2026-11730

CVE-2026-11730 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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-335.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 2.1
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-335
Published: 2026-10-13
Last modified: 2026-10-19

Description

Insufficient session randomness vulnerability in the listed NETGEAR Extender models allows a network-adjacent attacker having network access (such as WiFi credentials) to predict valid session identifiers and hijack an authenticated administrator session on the web management portal.

Frequently asked questions

What is CVE-2026-11730?: Insufficient session randomness vulnerability in the listed NETGEAR Extender models allows a network-adjacent attacker having network access (such as WiFi credentials) to predict valid session identifiers and hijack an authenticated administrator session on the web management portal.
How severe is CVE-2026-11730?: CVE-2026-11730 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-11730 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-11730?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-11730 published?: CVE-2026-11730 was published on 2026-10-13 and last updated on 2026-10-19.

References

Other CWE-335 vulnerabilities

CVE-2024-36048 — Critical (CVSS 9.8): QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.6,…
CVE-2023-4472 — Critical (CVSS 9.8): Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled…
CVE-2012-1577 — Critical (CVSS 9.8): lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0.
CVE-2019-11495 — Critical (CVSS 9.8): In Couchbase Server 5.1.1, the cookie used for intra-node communication was not generated securely. Couchbase Server…
CVE-2019-10908 — Critical (CVSS 9.8): In Airsonic 10.2.1, RecoverController.java generates passwords via org.apache.commons.lang.RandomStringUtils, which…
CVE-2017-11519 — Critical (CVSS 9.8): passwd_recovery.lua on the TP-Link Archer C9(UN)_V2_160517 allows an attacker to reset the admin password by leveraging…

Browse all CWE-335 vulnerabilities →