CVE-2025-57623
mediumpriority · track · 0EPSS 0.004 · 32 %ileEURUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.39% (32nd) EPSS
CVSS 5.3 · medium
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · nvd
EPSS · scored 2026-10-28
A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.
01
cvss
Technical severity, 0–10. One row per scoring source.
5.3
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondaryexploitability 3.9 · impact 1.4
02
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
03
weaknesses
The CWE weakness classes this flaw belongs to.
04
affected products (3)
Products and version ranges known to be affected.
- totolink n600r firmware= 4.3.0cu.7866_b2022506nvdUScpe:2.3:o:totolink:n600r_firmware:*:*:*:*:*:*:*:*
05
also known as (4)
Other names and identifiers for this entity.
06
sources
Which sources assert this record, and when.
07
references (7)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-57623cnnvd
- https://gist.github.com/z472421519/d17061ea79a72d39fe69c000fa1a6280cnnvd
- https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/TOTOLink/CONTENT_LENGTH.mdcnnvd
- https://gist.github.com/z472421519/d17061ea79a72d39fe69c000fa1a6280enisa_euvd
- https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/TOTOLink/CONTENT_LENGTH.mdenisa_euvd
- https://gist.github.com/z472421519/d17061ea79a72d39fe69c000fa1a6280ExploitThird Party Advisorynvd
- https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/TOTOLink/CONTENT_LENGTH.mdExploitnvd
scry
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