Totolink A3002RU 3.0.0-B20220304.1804 formIpv6Setup static_ipv6 stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Totolink A3002RU 3.0.0-B20220304.1804 and classified as critical. Affected is the function formIpv6Setup. Executing a manipulation of the argument static_ipv6 can lead to stack-based overflow. This vulnerability appears as CVE-2026-26736. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in Totolink A3002RU 3.0.0-B20220304.1804 and classified as critical. This vulnerability affects the function formIpv6Setup. The manipulation of the argument static_ipv6 with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

TOTOLINK A3002RU_V3 V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer overflow via the static_ipv6 parameter in the formIpv6Setup function.

The advisory is available at github.com. This vulnerability was named CVE-2026-26736 since 02/16/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/09/2026).

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
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

02/16/2026 CVE reserved
02/17/2026 +1 days Advisory disclosed
02/17/2026 +0 days VulDB entry created
03/09/2026 +20 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2026-26736 (🔒)
GCVE (CVE): GCVE-0-2026-26736
GCVE (VulDB): GCVE-100-346378

Entryinfo

Created: 02/17/2026 21:18
Updated: 03/09/2026 19:04
Changes: 02/17/2026 21:18 (54), 02/21/2026 13:48 (11), 03/06/2026 22:45 (10), 03/09/2026 19:04 (2)
Complete: 🔍
Cache ID: 216::103

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