CVE-2020-15633

mediumpriority · track · 36OT risk · elevatedEPSS 0.029 · 87 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.89% (87th) EPSS

CVSS 5.8 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–8.8

v2.05.8mediumAV:A/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 6.5 · impact 6.4

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

v3.08.8highCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.08.8highCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · zdi-disclosures@trendmicro.comexploitability 2.8 · impact 5.9

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

v3.18.1highCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USCWE-288USCWE-288US

affected products (7)

Products and version ranges known to be affected.

D-Link Multiple Routers≤ 1.20B10_BETAenisa_euvdEU
D-Link Corp. DIR-867≤ 1.20B10fstec_bduRU
D-Link Corp. DIR-878≤ 1.20B05fstec_bduRU
D-Link Corp. DIR-882 US≤ 1.30B10fstec_bduRU
d-link dir-867 firmware≤ 1.20b10nvdUScpe:2.3:o:d-link:dir-867_firmware:*:*:*:*:*:*:*:*
d-link dir-878 firmware≤ 1.20b05nvdUScpe:2.3:o:d-link:dir-878_firmware:*:*:*:*:*:*:*:*
d-link dir-882 firmwareall versionsnvdUScpe:2.3:o:d-link:dir-882_firmware:*:*:*:*:*:*:*:*

also known as (6)

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 2020-07-23modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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