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WatchlistCritical

CVE-2018-15839Dir-615 Firmware Memory Corruption

D-Link DIR-615 devices have a buffer overflow via a long Authorization HTTP header.

Published Aug 28, 2018 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2018-15839 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dir-615 Firmware (Dlink).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 45% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

45%

Higher than 98.7% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

44/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Description

D-Link DIR-615 devices have a buffer overflow via a long Authorization HTTP header.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Dir-615 FirmwareDlinkSee advisoryn/a

Timeline

  1. Publicly disclosed

    Aug 28, 2018

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

FAQ

Common Questions.

Is CVE-2018-15839 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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