CVE-2022-29638
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a...
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setIpQosRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setIpQosRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
- Record
CVE-2022-29638- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setIpQosRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
- Record
CVE-2022-29638- Updated
- 2026-11-02
EUVDEUVD-2022-33966 No score
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setIpQosRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
- Record
EUVD-2022-33966- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-34gq-5fpf-r3h5
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a...
TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the comment parameter in the function setIpQosRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
- Record
GHSA-34gq-5fpf-r3h5- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-29638 is a high vulnerability (CVSS 7.5) in Totolink A3100r Firmware, published May 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.18%, the 67th percentile. No source names a fixed version.