CVE-2023-30800

highpriority · track · 41EPSS 0.017 · 77 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

3 exploits · PoC

Likely / severe?

1.69% (77th) EPSS

CVSS 7.5 · high

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue. A remote and unauthenticated attacker can corrupt the server's heap memory by sending a crafted HTTP request. As a result, the web interface crashes and is immediately restarted. The issue was fixed in RouterOS 6.49.10 stable. RouterOS version 7 is not affected.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · disclosure@vulncheck.comexploitability 3.9 · impact 3.6

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · 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-787USprimaryCWE-787US

exploits (3)

Public proof-of-concept and weaponised exploit code.

diemaxxing/cve-2023-30800-multithread-doserMultithredded DoS Python Script For CVE-2023-30800PoC · poc_in_github
griffinsectio/CVE-2023-30800_PoCProof of concept for CVE-2023-30800PoC · poc_in_github
griffinsectio/CVE-2023-30800_PoC_gogriffinsectio/CVE-2023-30800_PoC_goPoC · poc_in_github

affected products (6)

Products and version ranges known to be affected.

MikroTik RouterOS≤ 6.48.8enisa_euvdEU
MikroTik RouterOS≤ 6.49.9enisa_euvdEU
MikroTik RouterOS< 6.49.10enisa_euvdEU
MikroTik RouterOS≤ 6.48.8 Long-termfstec_bduRU
MikroTik RouterOS≤ 6.49.10 Stablefstec_bduRU
mikrotik routeros6.0 → 6.49.10nvdUScpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*

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 2023-09-07modified 2026-06-17

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+16092 more

references (5)

External citations — patches, advisories, analysis.

scry

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