TP-LINK Archer C5/WR710N-V1 httpd strcmp timing discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in TP-LINK Archer C5 and WR710N-V1. It has been rated as problematic. This issue affects the function strcmp of the component httpd. The manipulation leads to timing discrepancy. This vulnerability is uniquely identified as CVE-2022-4499. No exploit exists.

Detailsinfo

A vulnerability was found in TP-LINK Archer C5 and WR710N-V1 (version unknown) and classified as problematic. This issue affects the function strcmp of the component httpd. The manipulation with an unknown input leads to a timing discrepancy vulnerability. Using CWE to declare the problem leads to CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. Impacted is confidentiality. The summary by CVE is:

TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.

The weakness was disclosed 01/12/2023. The advisory is shared at kb.cert.org. The identification of this vulnerability is CVE-2022-4499 since 12/14/2022. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/14/2022 🔍
01/12/2023 +29 days 🔍
01/12/2023 +0 days 🔍
11/05/2025 +1028 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: kb.cert.org
Status: Not defined

CVE: CVE-2022-4499 (🔍)
GCVE (CVE): GCVE-0-2022-4499
GCVE (VulDB): GCVE-100-218057

Entryinfo

Created: 01/12/2023 07:51
Updated: 11/05/2025 14:20
Changes: 01/12/2023 07:51 (38), 02/04/2023 10:58 (11), 11/05/2025 14:20 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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