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Vulnerability record · CVE-2023-34563 · published 20 June 2023

CVE-2023-34563: Netgear r6250 firmware classic buffer overflow vulnerability

Netgear · R6250 Firmware

netgear R6250 Firmware Version 1.0.4.48 is vulnerable to Buffer Overflow after authentication.

9.8 CVSS 3.1 Critical EPSS 14% · top 3.6% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

netgear R6250 Firmware Version 1.0.4.48 is vulnerable to Buffer Overflow after authentication.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/D2y6p/CVE/blob/main/Netgear/CVE-2023-34563/EN.md ExploitThird Party Advisory
https://www.netgear.com/about/security/ Vendor Advisory
https://github.com/D2y6p/CVE/blob/main/Netgear/CVE-2023-34563/EN.md ExploitThird Party Advisory
https://www.netgear.com/about/security/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2016-6277NETGEAR router cgi-bin command injection allows remote code executionMultiple NETGEAR router models fail to sanitize shell metacharacters in the path info passed to cgi-bin/, allowing remote command execution. The flaw…KEVEPSS 100%analysed9.8CVE-2023-33532Netgear r6250 firmware command injection vulnerabilityThere is a command injection vulnerability in the Netgear R6250 router with Firmware Version 1.0.4.48. If an attacker gains web management privileges…EPSS 16%9.8CVE-2021-45609Netgear d8500 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, …EPSS 1.2%9.8CVE-2021-45610Netgear d6220 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100,…EPSS 1.4%9.8CVE-2021-45527Netgear rbk752 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000…EPSS 1.1%9.8CVE-2021-45512Netgear d7000 firmware broken cryptographic algorithm vulnerabilityCertain NETGEAR devices are affected by weak cryptography. This affects D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX380…EPSS 0.54%9.8CVE-2021-38516Netgear d6220 firmware vulnerabilityCertain NETGEAR devices are affected by lack of access control at the function level. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D700…EPSS 1.3%9.8CVE-2020-35796Netgear cbr40 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects CBR40 before 2.5.0.10, D6220 before 1.0.0.60, …EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2023-34563), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.