TP-LINK TL-WR849N 0.9.1 Firmware cgi/softup POST Request improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in TP-LINK TL-WR849N 0.9.1 and classified as critical. This issue affects some unknown processing of the file cgi/softup of the component Firmware Handler. Performing a manipulation as part of POST Request results in improper authentication. This vulnerability is cataloged as CVE-2019-19143. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, was found in TP-LINK TL-WR849N 0.9.1 (Router Operating System). This affects an unknown part of the file cgi/softup of the component Firmware Handler. The manipulation as part of a POST Request leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.

The weakness was shared 01/27/2020. This vulnerability is uniquely identified as CVE-2019-19143 since 11/21/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/15/2024).

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48152). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/21/2019 🔍
01/27/2020 +67 days 🔍
01/28/2020 +1 days 🔍
10/15/2024 +1721 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: 156586
Status: Not defined

CVE: CVE-2019-19143 (🔍)
GCVE (CVE): GCVE-0-2019-19143
GCVE (VulDB): GCVE-100-149439
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/28/2020 10:51
Updated: 10/15/2024 01:01
Changes: 01/28/2020 10:51 (37), 01/28/2020 10:56 (18), 03/26/2024 16:38 (18), 10/15/2024 01:01 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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