CVE-2021-45648
CVE-2021-45648 is a low-severity vulnerability in Netgear Ex6100v2 Firmware with a CVSS 3.x base score of 3.1. 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-200.
Key facts
- Severity: Low (CVSS 3.x base score 3.1)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-200
- Affected product: Netgear Ex6100v2 Firmware
- Published:
- Last modified:
Description
Certain NETGEAR devices are affected by disclosure of sensitive information. This affects EX6100v2 before 1.0.1.106, EX6150v2 before 1.0.1.106, EX6250 before 1.0.0.146, EX6400 before 1.0.2.164, EX6400v2 before 1.0.0.146, EX6410 before 1.0.0.146, EX6420 before 1.0.0.146, EX7300 before 1.0.2.164, EX7300v2 before 1.0.0.146, EX7320 before 1.0.0.146, EX7700 before 1.0.0.222, LBR1020 before 2.6.5.16, LBR20 before 2.6.5.2, RBK352 before 4.3.4.7, RBK50 before 2.7.3.22, RBR350 before 4.3.4.7, RBR50 before 2.7.3.22, and RBS350 before 4.3.4.7.
Frequently asked questions
- What is CVE-2021-45648?
- Certain NETGEAR devices are affected by disclosure of sensitive information. This affects EX6100v2 before 1.0.1.106, EX6150v2 before 1.0.1.106, EX6250 before 1.0.0.146, EX6400 before 1.0.2.164, EX6400v2 before 1.0.0.146, EX6410 before 1.0.0.146, EX6420 before 1.0.0.146, EX7300 before 1.0.2.164, EX7300v2 before 1.0.0.146, EX7320 before 1.0.0.146, EX7700 before 1.0.0.222, LBR1020 before 2.6.5.16, LBR20 before 2.6.5.2, RBK352 before 4.3.4.7, RBK50 before 2.7.3.22, RBR350 before 4.3.4.7, RBR50 before 2.7.3.22, and RBS350 before 4.3.4.7.
- How severe is CVE-2021-45648?
- CVE-2021-45648 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-45648 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-2021-45648?
- CVE-2021-45648 primarily affects Netgear Ex6100v2 Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-45648?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-45648 published?
- CVE-2021-45648 was published on 2021-12-26 and last updated on 2026-06-17.
References
Affected products (18)
- cpe:2.3:o:netgear:ex6100v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6150v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6400v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex7300v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex7700_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:lbr1020_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:lbr20_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rbk352_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rbr350_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rbs350_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Netgear Ex6100v2 Firmware
- CVE-2021-45619 — Critical (CVSS 9.6): Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects EX6200v2 before…
- CVE-2021-45618 — Critical (CVSS 9.6): Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7800 before…
- CVE-2020-35800 — Critical (CVSS 9.4): Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects AC2100 before…
- CVE-2021-27253 — High (CVSS 8.8): This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR…
- CVE-2021-27252 — High (CVSS 8.8): This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR…
- CVE-2021-27251 — High (CVSS 8.8): This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR…
All CVEs affecting Netgear Ex6100v2 Firmware →
Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities
- CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
- CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
- CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
- CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
- CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
- CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…
Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →