CVE-2022-37839
TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.
TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.
- Record
CVE-2022-37839- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.
- Record
CVE-2022-37839- Updated
- 2026-11-02
EUVDEUVD-2022-40448 No score
TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.
- Record
EUVD-2022-40448- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wpp8-3g22-ppjw
TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.
TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.
- Record
GHSA-wpp8-3g22-ppjw- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- 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-2022-37839 is a critical vulnerability (CVSS 9.8) in Totolink A860r Firmware, published September 6, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. No source names a fixed version.