CVE-2018-12103

lowpriority · track · 26OT risk · elevatedEPSS 0.005 · 39 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.45% (39th) EPSS

CVSS 3.3 · low

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

An issue was discovered on D-Link DIR-890L with firmware 1.21B02beta01 and earlier, DIR-885L/R with firmware 1.21B03beta01 and earlier, and DIR-895L/R with firmware 1.21B04beta04 and earlier devices (all hardware revisions). Due to the predictability of the /docs/captcha_(number).jpeg URI, being local to the network, but unauthenticated to the administrator's panel, an attacker can disclose the CAPTCHAs used by the access point and can elect to load the CAPTCHA of their choosing, leading to unauthorized login attempts to the access point.

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–6.5

v2.03.3lowAV:A/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.5 · impact 2.9

v3.06.5mediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.06mediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.16.2mediumAV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-863US

affected products (7)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
D-Link Corp. DIR-885L R≤ 1.21B03beta01fstec_bduRU
D-Link Corp. DIR-890L≤ 1.21B02beta01fstec_bduRU
D-Link Corp. DIR-895L R≤ 1.21B04beta04fstec_bduRU
d-link dir-885l/r firmware≤ 1.21b03beta01nvdUScpe:2.3:o:d-link:dir-885l\/r_firmware:*:*:*:*:*:*:*:*
d-link dir-895l/r firmware≤ 1.21b04beta01nvdUScpe:2.3:o:d-link:dir-895l\/r_firmware:*:*:*:*:*:*:*:*
dlink dir-890l firmware≤ 1.21b02beta01nvdUScpe:2.3:o:dlink:dir-890l_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 2018-07-05modified 2026-06-17

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+5006 more

references (6)

External citations — patches, advisories, analysis.

scry

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