CVE-2025-4344: d-link dir-600l_firmware
CVSS: 9.8v3.1CriticalAnalyzed
Published 06-05-2025Last modified 06-05-2025
Vulnerability summary
CVE-2025-4344 is a critical (CVSS 9.8) vulnerability in d-link dir-600l_firmware. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 74.9% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.56%
0%100%
Low · +0.14 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-05-2025PublishedVulnerability first disclosed.
- 06-05-2025Last modifiedVulnerability information updated.
Description
A vulnerability, which was classified as critical, was found in D-Link DIR-600L up to 2.07B01. This affects the function formLogin. The manipulation of the argument host leads to buffer overflow. It is possible to initiate the attack remotely. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS metrics
7 scores · 2 sources · 4 versionsHigh 8.7Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- 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
Critical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 8.8–9.8
- CVE.orgCNA8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
High 8.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 9.0Preferred score · CVE.org (CNA)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesAll 2 agree
- NVDNIST9.0HighAV:N/AC:L/Au:S/C:C/I:C/A:C
EPSS trend
Probability
1.56%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
+0.14 pp
From 1.43% on 19-09-2026
19-09-202619-10-2026
EPSS score1.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
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
D-link1 product
- dir-600l_firmware2.07B01
Dlink1 product
- dir-600l_firmware≤ 2.07b01
2 vendors · 2 products
References
5 links- github.com/jylsec/vuldb/blob/main/D-Link/dlink_dir600l/Buffer_overflow-formLogin-curTime/README.mdRelatedBroken LinkThird Party Advisory
- www.dlink.comProduct