CVE-2020-26567

mediumpriority · track · 38OT risk · elevatedEPSS 0.158 · 97 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

15.8% (97th) EPSS

CVSS 4.9 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

An issue was discovered on D-Link DSR-250N before 3.17B devices. The CGI script upgradeStatusReboot.cgi can be accessed without authentication. Any access reboots the device, rendering it therefore unusable for several minutes.

cvss

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

5.5

010

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

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.2mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-48863D-Link DSR-250N 3.12 - Denial of Service (PoC)PoC · exploit_db

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
dlink dsr-250n firmware< 3.17bnvdUScpe:2.3:o:dlink:dsr-250n_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-10-08modified 2026-06-17

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references (12)

External citations — patches, advisories, analysis.

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