Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker via the vulnerable /sqfs/lib/libsal.so.0.0 library used by a CGI application, as demonstrated by setup.cgi?token=';$HTTP_USER_AGENT;' with an OS command in the User-Agent field. This affects GC108P before 1.0.7.3, GC108PP before 1.0.7.3, GS108Tv3 before 7.0.6.3, GS110TPPv1 before 7.0.6.3, GS110TPv3 before 7.0.6.3, GS110TUPv1 before 1.0.4.3, GS710TUPv1 before 1.0.4.3, GS716TP before 1.0.2.3, GS716TPP before 1.0.2.3, GS724TPPv1 before 2.0.4.3, GS724TPv2 before 2.0.4.3, GS728TPPv2 before 6.0.6.3, GS728TPv2 before 6.0.6.3, GS752TPPv1 before 6.0.6.3, GS752TPv2 before 6.0.6.3, MS510TXM before 1.0.2.3, and MS510TXUP before 1.0.2.3.

INFO

Published Date :

May 21, 2021, 11:15 p.m.

Last Modified :

Jan. 4, 2022, 4:53 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-33514 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-33514 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netgear gs724tp_firmware
2 Netgear gs728tp_firmware
3 Netgear gs728tpp_firmware
4 Netgear gs752tpp_firmware
5 Netgear gs752tp_firmware
6 Netgear gs108t_firmware
7 Netgear gs110tp_firmware
8 Netgear gc108p_firmware
9 Netgear gc108pp_firmware
10 Netgear gs110tpp_firmware
11 Netgear gs110tup_firmware
12 Netgear gs710tup_firmware
13 Netgear gs716tp_firmware
14 Netgear gs716tpp_firmware
15 Netgear gs724tpp_firmware
16 Netgear ms510txm_firmware
17 Netgear ms510txup_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-33514.

URL Resource
https://gynvael.coldwind.pl/?lang=en&id=733 Exploit Third Party Advisory
https://kb.netgear.com/000063641/Security-Advisory-for-Pre-Authentication-Command-Injection-Vulnerability-on-Some-Smart-Switches-PSV-2021-0071 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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Updated: 2 months ago
36 stars 4 fork 4 watcher
Born at : Nov. 13, 2022, 11:03 p.m. This repo has been linked 25 different CVEs too.

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HTML CSS JavaScript Go Python Shell C

Updated: 2 months, 1 week ago
856 stars 214 fork 214 watcher
Born at : Feb. 15, 2022, 3:14 a.m. This repo has been linked 568 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-33514 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-33514 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Jan. 04, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:netgear:gs108t:v3:*:*:*:*:*:*:* OR *cpe:2.3:h:netgear:gs108tv3:-:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    May. 27, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://gynvael.coldwind.pl/?lang=en&id=733 No Types Assigned https://gynvael.coldwind.pl/?lang=en&id=733 Exploit, Third Party Advisory
    Changed Reference Type https://kb.netgear.com/000063641/Security-Advisory-for-Pre-Authentication-Command-Injection-Vulnerability-on-Some-Smart-Switches-PSV-2021-0071 No Types Assigned https://kb.netgear.com/000063641/Security-Advisory-for-Pre-Authentication-Command-Injection-Vulnerability-on-Some-Smart-Switches-PSV-2021-0071 Vendor Advisory
    Added CWE NIST CWE-78
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gc108p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.7.3 OR cpe:2.3:h:netgear:gc108p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gc108pp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.7.3 OR cpe:2.3:h:netgear:gc108pp:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs108t_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 7.0.6.3 OR cpe:2.3:h:netgear:gs108t:v3:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs110tpp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 7.0.6.3 OR cpe:2.3:h:netgear:gs110tpp:v1:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs110tp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 7.0.6.3 OR cpe:2.3:h:netgear:gs110tp:v3:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs110tup_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.3 OR cpe:2.3:h:netgear:gs110tup:v1:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs710tup_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.3 OR cpe:2.3:h:netgear:gs710tup:v1:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs716tp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.3 OR cpe:2.3:h:netgear:gs716tp:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs716tpp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.3 OR cpe:2.3:h:netgear:gs716tpp:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs724tpp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.4.3 OR cpe:2.3:h:netgear:gs724tpp:v1:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs724tp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.4.3 OR cpe:2.3:h:netgear:gs724tp:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs728tpp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.0.6.3 OR cpe:2.3:h:netgear:gs728tpp:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs728tp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.0.6.3 OR cpe:2.3:h:netgear:gs728tp:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs752tpp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.0.6.3 OR cpe:2.3:h:netgear:gs752tpp:v1:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:gs752tp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.0.6.3 OR cpe:2.3:h:netgear:gs752tp:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ms510txm_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.3 OR cpe:2.3:h:netgear:ms510txm:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ms510txup_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.3 OR cpe:2.3:h:netgear:ms510txup:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-33514 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

8.24 }} 2.48%

score

0.94522

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability