CVE-2022-24655
CVE-2022-24655 is a high-severity vulnerability in Netgear Ex6100 Firmware with a CVSS 3.x base score of 7.8. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Netgear Ex6100 Firmware
- Published:
- Last modified:
Description
A stack overflow vulnerability exists in the upnpd service in Netgear EX6100v1 201.0.2.28, CAX80 2.1.2.6, and DC112A 1.0.0.62, which may lead to the execution of arbitrary code without authentication.
Frequently asked questions
- What is CVE-2022-24655?
- A stack overflow vulnerability exists in the upnpd service in Netgear EX6100v1 201.0.2.28, CAX80 2.1.2.6, and DC112A 1.0.0.62, which may lead to the execution of arbitrary code without authentication.
- How severe is CVE-2022-24655?
- CVE-2022-24655 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-24655 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-24655?
- CVE-2022-24655 primarily affects Netgear Ex6100 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-2022-24655?
- 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-2022-24655 published?
- CVE-2022-24655 was published on 2022-03-18 and last updated on 2026-06-17.
References
- https://github.com/doudoudedi/Netgear_product_stack_overflow/blob/main/NETGEAR%20EX%20series%20upnpd%20stack_overflow.md
- https://kb.netgear.com/000064615/Security-Advisory-for-Pre-Authentication-Command-Injection-on-EX6100v1-and-Pre-Authentication-Stack-Overflow-on-Multiple-Products-PSV-2021-0282-PSV-2021-0288
- https://www.netgear.com/about/security/
Affected products (4)
- cpe:2.3:o:netgear:ex6100_firmware:201.0.2.28:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:cax80_firmware:2.1.2.6:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:dc112a_firmware:1.0.0.62:*:*:*:*:*:*:*
More vulnerabilities in Netgear Ex6100 Firmware
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- CVE-2018-21134 — Critical (CVSS 9.8): Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects…
- CVE-2025-6510 — High (CVSS 8.8): A vulnerability was found in Netgear EX6100 1.0.2.28_1.1.138. It has been rated as critical. Affected by this issue is…
- CVE-2021-34947 — High (CVSS 8.8): NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows…
- CVE-2020-35796 — High (CVSS 8.8): Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects CBR40 before…
- CVE-2018-21093 — High (CVSS 8.8): Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects…
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