Tenda FH1202/F1202/F1200 up to 1.2.0 HTTP Service POST Request memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Tenda FH1202, F1202 and F1200 up to 1.2.0. It has been classified as problematic. The affected element is an unknown function of the component HTTP Service. Performing a manipulation as part of POST Request results in memory corruption. This vulnerability is reported as CVE-2017-9139. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Tenda FH1202, F1202 and F1200 up to 1.2.0. This affects an unknown code block of the component HTTP Service. The manipulation as part of a POST Request leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:

There is a stack-based buffer overflow on some Tenda routers (FH1202/F1202/F1200: versions before 1.2.0.20). Crafted POST requests to an unspecified URL result in DoS, interrupting the HTTP service (used to login to the web UI of a router) for 1 to 2 seconds.

The bug was discovered 05/21/2017. The weakness was disclosed 05/21/2017 (Website). It is possible to read the advisory at tendacn.com. This vulnerability is uniquely identified as CVE-2017-9139 since 05/21/2017. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.2.0.20 eliminates this vulnerability.

The entry VDB-101546 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality 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: 3.9
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FH1202/F1202/F1200 1.2.0.20

Timelineinfo

05/21/2017 🔍
05/21/2017 +0 days 🔍
05/21/2017 +0 days 🔍
05/21/2017 +0 days 🔍
05/22/2017 +1 days 🔍
10/01/2020 +1228 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: tendacn.com
Status: Not defined

CVE: CVE-2017-9139 (🔍)
GCVE (CVE): GCVE-0-2017-9139
GCVE (VulDB): GCVE-100-101547
OSVDB: - CVE-2017-9139 - Tendacn - F1200 Firmware - Low

See also: 🔍

Entryinfo

Created: 05/22/2017 08:49
Updated: 10/01/2020 07:39
Changes: 05/22/2017 08:49 (60), 10/01/2020 07:39 (2)
Complete: 🔍
Cache ID: 216::103

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