TOTOLINK A3300R 17.0.0cu.557_B20221024 POST Parameter /cgi-bin/cstecgi.cgi setScheduleCfg recHour stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.17

Summaryinfo

A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024. It has been declared as critical. The impacted element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. Such manipulation of the argument recHour leads to stack-based overflow. This vulnerability is referenced as CVE-2025-12259. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024. It has been rated as critical. Affected by this issue is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. The manipulation of the argument recHour with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2025-12259. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

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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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

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

10/26/2025 Advisory disclosed
10/26/2025 +0 days VulDB entry created
10/27/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2025-12259 (🔒)
GCVE (CVE): GCVE-0-2025-12259
GCVE (VulDB): GCVE-100-329930
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/26/2025 06:42
Updated: 10/27/2025 12:26
Changes: 10/26/2025 06:42 (57), 10/27/2025 12:26 (31)
Complete: 🔍
Submitter: yhryhryhr_
Cache ID: 216:E5E:103

Submitinfo

Accepted

  • Submit #673726: TOTOLINK A3300R V17.0.0cu.557_B20221024 Buffer Overflow (by yhryhryhr_)

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

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