VDB-214284 · CVE-2022-44254 · GCVE-0-2022-44254

TOTOLINK LR350 9.3.5u.6369_B20220309 setSmsCfg buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in TOTOLINK LR350 9.3.5u.6369_B20220309. This issue affects the function setSmsCfg. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2022-44254. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in TOTOLINK LR350 9.3.5u.6369_B20220309. Affected is the function setSmsCfg. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter text in the setSmsCfg function.

The weakness was shared 11/23/2022. The advisory is shared for download at brief-nymphea-813.notion.site. This vulnerability is traded as CVE-2022-44254 since 10/30/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/25/2025).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

TOTOLINK

Name

LR350

Version

9.3.5u.6369_B20220309

License

commercial

Website

Vendor: https://www.totolink.net/

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: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/30/2022 🔍
11/23/2022 +24 days 🔍
11/23/2022 +0 days 🔍
04/25/2025 +884 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: brief-nymphea-813.notion.site
Status: Not defined

CVE: CVE-2022-44254 (🔍)
GCVE (CVE): GCVE-0-2022-44254
GCVE (VulDB): GCVE-100-214284

Entryinfo

Created: 11/23/2022 20:54
Updated: 04/25/2025 23:03
Changes: 11/23/2022 20:54 (38), 12/22/2022 16:25 (11), 04/25/2025 23:03 (16)
Complete: 🔍
Cache ID: 216::103