CVE-2024-7331

highpriority · track · 35EPSS 0.012 · 68 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.20% (68th) EPSS

CVSS 8.8 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024 and classified as critical. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-273254 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

cvss

Technical severity, 0–10. One row per scoring source.

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Csecondary · cna@vuldb.comexploitability 8 · impact 10

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · cna@vuldb.comexploitability 2.8 · impact 5.9

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.08.7highCVSS: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:Xsecondary · cna@vuldb.com

v4.06.3mediumCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USCWE-120US

affected products (3)

Products and version ranges known to be affected.

A3300R≤ 17.0.0cu.557_B20221024enisa_euvdEU
TOTOLink A3300R≤ 17.0.0cu.557_B20221024fstec_bduRU
totolink a3300r firmware= 17.0.0cu.557_b20221024nvdUScpe:2.3:o:totolink:a3300r_firmware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2024-08-01modified 2026-06-17

references (10)

External citations — patches, advisories, analysis.

https://cxsecurity.com/cveshow/CVE-2024-7331/cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2024-7331 cnnvd
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3300R/UploadCustomModule.md enisa_euvd
https://vuldb.com/?ctiid.273254 enisa_euvd
https://vuldb.com/?id.273254 enisa_euvd
https://vuldb.com/?submit.378351 enisa_euvd
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3300R/UploadCustomModule.mdExploitTechnical DescriptionThird Party Advisorynvd
https://vuldb.com/?ctiid.273254Permissions RequiredVDB Entrynvd

scry

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