CVE-2025-13188

Published Nov 14, 2025

Last updated 5 months ago

Overview

Description
A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function authenticationcgi_main of the file /authentication.cgi. Performing manipulation of the argument Password results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Source
cna@vuldb.com
NVD status
Analyzed
CNA Tags
unsupported-when-assigned
Products
dir-816l_firmware

Risk scores

CVSS 4.0

Type
Secondary
Base score
8.9
Impact score
-
Exploitability score
-
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity
HIGH

CVSS 3.1

Type
Secondary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

CVSS 2.0

Type
Secondary
Base score
10
Impact score
10
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:C/I:C/A:C

Weaknesses

cna@vuldb.com
CWE-119

Social media

Hype score
Not currently trending
  1. ⚠️ CVE-2025-13188: D-Link DIR-816L stack-based buffer overflow (CVSS 9.8) Authentication.cgi Password parameter vulnerable to remote exploitation. Public exploit available. EOL router = permanent vulnerability window. Consumer IoT devices with public exploits should be repla

    @gothburz

    17 Nov 2025

    514 Impressions

    1 Retweet

    5 Likes

    2 Bookmarks

    0 Replies

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  2. CVE-2025-13188: D-Link DIR-816L stack-based buffer overflow (CVSS 9.8). Authentication.cgi Password parameter vulnerable to remote exploitation. Public exploit available. EOL router = permanent vulnerability window. Advisory: https://t.co/6qbAUlBSIs

    @gothburz

    16 Nov 2025

    1385 Impressions

    4 Retweets

    16 Likes

    2 Bookmarks

    0 Replies

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  3. [CVE-2025-13188: CRITICAL] Vulnerability detected in D-Link DIR-816L 2_06_b09_beta authenticationcgi_main. Exploit allows remote stack-based buffer overflow with Password manipulation. Device no longer suppo...#cve,CVE-2025-13188,#cybersecurity https://t.co/htVcnTkxdD https://t.c

    @CveFindCom

    15 Nov 2025

    57 Impressions

    0 Retweets

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  4. **CVE-2025-13188** pertains to a **stack-based buffer overflow** vulnerability identified in the **D-Link DIR-816L 2_06_b09_beta** firmware. It specifically affects the **`authenticationcgi_main`** function within the **`authentication.cgi`** script. An attacker can manipulate

    @CveTodo

    14 Nov 2025

    19 Impressions

    0 Retweets

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  5. CVE-2025-13188 A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function authenticationcgi_main of the file /authentication.cgi. … https://t.co/B9jrEQfAAC

    @CVEnew

    14 Nov 2025

    578 Impressions

    1 Retweet

    4 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

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