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VAR-202510-2269

Vulnerability from variot - Updated: 2025-11-19 23:14

A flaw has been found in TOTOLINK A3300R 17.0.0cu.557_B20221024. The affected element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. This manipulation of the argument recHour causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used. The TOTOLINK A3300R is a dual-band wireless router manufactured by TOTOLINK Electronics Co., Ltd. in China, primarily used in home and small network environments. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial-of-service attack

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CVE-2025-12259 (GCVE-0-2025-12259)

Vulnerability from cvelistv5 – Published: 2025-10-27 10:02 – Updated: 2025-10-27 20:13

Title

TOTOLINK A3300R POST Parameter cstecgi.cgi setScheduleCfg stack-based overflow

Summary

Severity ?

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

8.8 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.329930	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.329930	signaturepermissions-required
	https://vuldb.com/?submit.673726	third-party-advisory
	https://github.com/noahze01/IoT-vulnerable/blob/m…	exploit
	https://www.totolink.net/	product

Impacted products

	Vendor	Product	Version
	TOTOLINK	A3300R	Affected: 17.0.0cu.557_B20221024

Credits

yhryhryhr_ (VulDB User)

Show details on NVD website

JSON

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    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-12259",
    "datePublished": "2025-10-27T10:02:08.097Z",
    "dateReserved": "2025-10-26T05:37:41.692Z",
    "dateUpdated": "2025-10-27T20:13:39.307Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202510-2269

CVE-2025-12259 (GCVE-0-2025-12259)

Tags

Sightings

Nomenclature