TOTOLINK A7100RU 7.4cu.2313_B20191024 Setting /setting/setWanIeCfg pppoeAcName command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in TOTOLINK A7100RU 7.4cu.2313_B20191024. Affected by this issue is some unknown functionality of the file /setting/setWanIeCfg of the component Setting Handler. Such manipulation of the argument pppoeAcName leads to command injection. This vulnerability is listed as CVE-2023-26978. There is no available exploit.

Detailsinfo

A vulnerability was found in TOTOLINK A7100RU 7.4cu.2313_B20191024 and classified as critical. Affected by this issue is some unknown functionality of the file /setting/setWanIeCfg of the component Setting Handler. The manipulation of the argument pppoeAcName with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the pppoeAcName parameter at /setting/setWanIeCfg.

The weakness was presented 04/07/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-26978 since 02/27/2023. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

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 EUVD (EUVD-2023-30768). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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

02/27/2023 🔍
04/07/2023 +38 days 🔍
04/07/2023 +0 days 🔍
11/13/2025 +951 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2023-26978 (🔍)
GCVE (CVE): GCVE-0-2023-26978
GCVE (VulDB): GCVE-100-225248
EUVD: 🔍

Entryinfo

Created: 04/07/2023 09:08
Updated: 11/13/2025 10:04
Changes: 04/07/2023 09:08 (40), 04/24/2023 10:48 (11), 11/13/2025 10:04 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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