CVE-2025-4148: netgear ex6200_firmware
Vulnerability summary
CVE-2025-4148 is a critical (CVSS 9.8) vulnerability in netgear ex6200_firmware. EPSS estimates a 1.69% chance of exploitation in the next 30 days, higher than 76.7% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 01-05-2025PublishedVulnerability first disclosed.
- 01-05-2025Last modifiedVulnerability information updated.
Description
A vulnerability was found in Netgear EX6200 1.0.3.94 and classified as critical. Affected by this issue is the function sub_503FC. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVE.orgCNA8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST9.0HighAV:N/AC:L/Au:S/C:C/I:C/A:C
EPSS trend
Probability
1.69%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
+0.10 pp
From 1.59% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundVuldb
Maturity: poc
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Affected systems
Netgear1 product
- ex6200_firmware1.0.3.94
1 vendor · 1 product
References
5 links- www.netgear.comProduct